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Educational technology (commonly abbreviated asedutech, oredtech) is the combined use of computer hardware, software, andeducational theory and practice to facilitatelearning andteaching.[1][2][3] When referred to with its abbreviation, "EdTech", it often refers to the industry of companies that create educational technology.[4][5][6] InEdTech Inc.: Selling, Automating and Globalizing Higher Education in the Digital Age, Tanner Mirrlees and Shahid Alvi (2019) argue "EdTech is no exception to industry ownership and market rules" and "define the EdTech industries as all theprivately owned companies currently involved in the financing, production and distribution of commercial hardware, software, cultural goods, services and platforms for the educational market with the goal of turning a profit. Many of these companies are US-based and rapidly expanding into educational markets acrossNorth America, and increasingly growing all over the world."[4]
In addition to the practical educational experience, educational technology is based on theoretical knowledge from various disciplines such as communication, education, psychology, sociology, artificial intelligence, and computer science.[7] It encompasses several domains includinglearning theory, computer-based training, online learning, andm-learning where mobile technologies are used.
TheAssociation for Educational Communications and Technology (AECT) has defined educational technology as "the study and ethical practice of facilitating learning and improving performance by creating, using and managing appropriate technological processes and resources".[8] It denotes instructional technology as "the theory and practice ofdesign, development, utilization, management, andevaluation of processes and resources for learning".[9][10][11] As such, educational technology refers to all valid and reliable applied education sciences, such as equipment, as well as processes and procedures that are derived fromscientific research, and in a given context may refer to theoretical, algorithmic or heuristic processes: it does not necessarily imply physical technology. Educational technology is the process of integrating technology into education in a positive manner that promotes a more diverse learning environment and a way for students to learn how to use technology as well as their common assignments.
Accordingly, there are several discrete aspects to describing the intellectual and technical development of educational technology:
Educational technology is an inclusive term for both the material tools and processes, and the theoretical foundations for supportinglearning andteaching. Educational technology is not restricted to advanced technology but is anything that enhances classroom learning in the utilization of blended, face-to-face, oronline learning.[13]
An educational technologist is someone who is trained in the field of educational technology. Educational technologists try to analyze, design, develop, implement, and evaluate processes and tools to enhance learning.[14] While the termeducational technologist is used primarily in the United States,learning technologist is a synonymous term used in the UK[15] as well asCanada.
Modern electronic educational technology is an important part of society today.[16] Educational technology encompasses e-learning, instructional technology,information and communication technology (ICT) in education, edtech, learning technology,multimedia learning, technology-enhanced learning (TEL), computer-based instruction (CBI), computer managed instruction, computer-based training (CBT), computer-assisted instruction or computer-aided instruction (CAI),[17] internet-based training (IBT), flexible learning, web-based training (WBT), online education, digital educational collaboration, distributed learning,computer-mediated communication, cyber-learning, and multi-modal instruction, virtual education, personal learning environments,networked learning,virtual learning environments (VLE) (which are also called learning platforms),m-learning, and digital education.[18]
Each of these numerous terms has had its advocates, who point up potential distinctive features.[19] However, many terms and concepts in educational technology have been defined nebulously. For example, Singh and Thurman cite over 45 definitions for online learning.[20] Moreover, Moore saw these terminologies as emphasizing particular features such as digitization approaches, components, or delivery methods rather than being fundamentally dissimilar in concept or principle.[19] For example,m-learningemphasizes mobility, which allows for altered timing, location, accessibility, and context of learning; nevertheless, its purpose and conceptualprinciples are those of educational technology.[19]
In practice, as technology has advanced, the particular "narrowly defined" terminological aspect that was initially emphasized by name has blended into the general field of educational technology.[19] Initially, "virtual learning" as narrowly defined in asemantic sense implied entering an environmental simulation within avirtual world, for example in treatingposttraumatic stress disorder (PTSD).[21][22] In practice, a "virtual education course" refers to any instructional course in which all, or at least a significant portion, is delivered by theInternet. "Virtual" is used in that broader way to describe a course that is not taught in a classroom face-to-face but "virtually" with people not having to go to the physical classroom to learn. Accordingly, virtual education refers to a form ofdistance learning in which course content is delivered using various methods such ascourse management applications,multimedia resources, andvideoconferencing.[23] Virtual education and simulated learning such as games or dissections, inspire students to connect classroom content to authentic situations.[24]
Educational content, pervasively embedded in objects, is all around the learner, who may not even be conscious of the learning process.[25] The combination ofadaptive learning, using an individualized interface and materials, which accommodate to an individual, who thus receives personally differentiated instruction, with ubiquitous access to digital resources and learning opportunities in a range of places and at various times, has been termed smart learning.[26][27][28] Smart learning is a component of thesmart city concept.[29][30]
Helping people and children learn in ways that are easier, faster, more accurate, or less expensive can be traced back to the emergence of very early tools, such as paintings on cave walls.[31][32] Various types ofabacus have been used.Writing slates andblackboards have been used for at least a millennium.[33] Since their introduction, books and pamphlets have played a prominent role in education. From the early twentieth century,duplicating machines such as themimeograph andGestetner stencil devices were used to produce short copy runs (typically 10–50 copies) for classroom or home use. The use of media for instructional purposes is generally traced back to the first decade of the 20th century[34] with the introduction ofeducational films (the 1900s) and Sidney Pressey's mechanicalteaching machines (1920s).
In the mid-1960s,Stanford University psychology professors,Patrick Suppes andRichard C. Atkinson, experimented with using computers to teach arithmetic and spelling viaTeletypes toelementary school students in thePalo Alto Unified School District inCalifornia.[35][36]
Online education originated from theUniversity of Illinois in 1960. Although the internet would not be created for another decade, students were able to access class information with linked computer terminals. Online learning emerged in 1982 when theWestern Behavioral Sciences Institute in La Jolla, California, opened its School of Management and Strategic Studies. The school employed computer conferencing through theNew Jersey Institute of Technology'sElectronic Information Exchange System (EIES) to deliver a distance education program to business executives.[37] Starting in 1985,Connected Education offered the first totally online master's degree in media studies, throughThe New School in New York City, also via the EIES computer conferencing system.[38][39][40] Subsequent courses were offered in 1986 by the Electronic University Network for DOS and Commodore 64 computers. In 2002,MIT began providing online classes free of charge. As of 2009[update], approximately 5.5 million students were taking at least one class online. Currently, one out of three college students takes at least one online course while in college. AtDeVry University, out of all students that are earning a bachelor's degree, 80% earn two-thirds of their requirements online. Also, in 2014, 2.85 million students out of 5.8 million students that took courses online, took all of their courses online. From this information, it can be concluded that the number of students taking classes online is on a steady increase.[41][42]
In 1971,Ivan Illich published a hugely influential book,Deschooling Society, in which he envisioned "learning webs" as a model for people to network the learning they needed. The 1970s and 1980s saw notable contributions in computer-based learning byMurray Turoff andStarr Roxanne Hiltz at theNew Jersey Institute of Technology[43] as well as developments at theUniversity of Guelph in Canada.[44] In the UK, the Council for Educational Technology supported the use of educational technology, in particular administering the government'sNational Development Programme in Computer Aided Learning[45] (1973–1977) and theMicroelectronics Education Programme (1980–1986).
Videoconferencing was an important forerunner to the educational technologies known today. This work was especially popular withmuseum education. Even in recent years, videoconferencing has risen in popularity to reach over 20,000 students across the United States and Canada in 2008–2009. Disadvantages of this form of educational technology are readily apparent: image and sound quality are often grainy or pixelated; videoconferencing requires setting up a type of mini-television studio within the museum for broadcast; space becomes an issue; and specialized equipment is required for both the provider and the participant.[46]
TheOpen University in Britain[44] and the University of British Columbia (where Web CT, now incorporated into Blackboard Inc., was first developed) began a revolution of using the Internet to deliver learning,[47] making heavy use of web-based training, online distance learning, and online discussion between students.[48] Practitioners such as Harasim (1995)[49] put heavy emphasis on the use of learning networks.
By 1994, thefirst online high school had been founded. In 1997, Graziadei described criteria for evaluating products and developing technology-based courses that include being portable, replicable, scalable, affordable, and having a high probability of long-term cost-effectiveness.[50]
ImprovedInternet functionality enabled new schemes of communication withmultimedia orwebcams. TheNational Center for Education Statistics estimates the number ofK-12 students enrolled in online distance learning programs increased by 65% from 2002 to 2005, with greater flexibility, ease of communication between teacher and student, and quick lecture and assignment feedback.
According to a 2008 study conducted by theU.S. Department of Education, during the 2006–2007 academic year, about 66% of postsecondary public and private schools participating in student financial aid programs offered some distance learning courses; records show 77% of enrollment in for-credit courses with an online component.[51] In 2008, the Council of Europe passed a statement endorsing e-learning's potential to drive equality and education improvements across the EU.[52]
Computer-mediated communication (CMC) is between learners and instructors, mediated by the computer. In contrast, CBT/CBL usually means individualized (self-study) learning, while CMC involves educator/tutor facilitation and requires the scalarization of flexible learning activities. In addition, modern ICT provides education with tools for sustaining learning communities and associated knowledge management tasks.
Students growing up in this digital age have extensive exposure to a variety of media.[53] Major high-tech companies have funded schools to provide them with the ability to teach their students through technology.[54]
2015 was the first year that private nonprofit organizations enrolled more online students than for-profits, although public universities still enrolled the highest number of online students. In the fall of 2015, more than 6 million students enrolled in at least one online course.[55]
In 2020, due to theCOVID-19 pandemic, many schools across the world were forced to close, which left more and more grade-school students participating in online learning, and university-level students enrolling in online courses to enforce distance learning.[56][57] Organizations such asUnesco have enlisted educational technology solutions to help schools facilitatedistance education.[58] The pandemic's extended lockdowns and focus on distance learning has attracted record-breaking amounts of venture capital to the ed-tech sector.[59] In 2020, in the United States alone, ed-tech startups raised $1.78 billion in venture capital spanning 265 deals, compared to $1.32 billion in 2019.[60]
This theoretical framework was developed in the early 20th century based on animal learning experiments byIvan Pavlov,Edward Thorndike,Edward C. Tolman,Clark L. Hull, andB.F. Skinner. Many psychologists used these results to develop theories of human learning, but modern educators generally seebehaviorism as one aspect of a holistic synthesis. Teaching in behaviorism has been linked to training, emphasizing animal learning experiments. Since behaviorism consists of the view of teaching people how to do something with rewards and punishments, it is related to training people.[61]
B.F. Skinner wrote extensively on improvements in teaching based on his functional analysis ofverbal behavior[62][63] and wrote "The Technology of Teaching",[64][65] an attempt to dispel the myths underlying contemporary education as well as promote his system he calledprogrammed instruction.Ogden Lindsley developed a learning system, named Celeration, which was based on behavior analysis but substantially differed from Keller's and Skinner's models.
Cognitive science underwent significant change in the 1960s and 1970s to the point that some described the period as a "cognitive revolution", particularly in reaction to behaviorism.[66] While retaining the empirical framework ofbehaviorism,cognitive psychology theories look beyond behavior to explain brain-based learning by considering how human memory works to promote learning. It refers to learning as "all processes by which the sensory input is transformed, reduced, elaborated, stored, recovered, and used" by the human mind.[66][67] TheAtkinson-Shiffrin memory model and Baddeley'sworking memory model were established as theoretical frameworks. Computer science and information technology have had a major influence on cognitive science theory. The cognitive concepts of working memory (formerly known as short-term memory) and long-term memory have been facilitated by research and technology from the field of computer science. Another major influence on the field of cognitive science isNoam Chomsky. Today researchers are concentrating on topics likecognitive load,information processing, andmedia psychology. These theoretical perspectives influenceinstructional design.[68]
There are two separate schools of cognitivism, and these are the cognitivist and social cognitivist. The former focuses on the understanding of the thinking or cognitive processes of an individual while the latter includes social processes as influences in learning besides cognition.[69] These two schools, however, share the view that learning is more than a behavioral change but is rather a mental process used by the learner.[69]
Educational psychologists distinguish between several types ofconstructivism: individual (or psychological) constructivism, such asPiaget's theory of cognitive development, andsocial constructivism. This form ofconstructivism has a primary focus on how learners construct their own meaning from new information, as they interact with reality and with other learners who bring different perspectives. Constructivist learning environments require students to use their prior knowledge and experiences to formulate new, related, and/or adaptive concepts in learning.[70] Under this framework, the role of the teacher becomes that of a facilitator, providing guidance so that learners can construct their own knowledge. Constructivist educators must make sure that the prior learning experiences are appropriate and related to the concepts being taught. Jonassen (1997) suggests "well-structured" learning environments are useful for novice learners and that "ill-structured" environments are only useful for more advanced learners.[2] Educators utilizing a constructivist perspective may emphasize anactive learning environment that may incorporate learner-centeredproblem-based learning,project-based learning, andinquiry-based learning, ideally involving real-world scenarios, in which students are actively engaged in critical thinking activities. An illustrative discussion and example can be found in the 1980s deployment of constructivist cognitive learning in computer literacy, which involved programming as an instrument of learning.[71]: 224 LOGO, a programming language, embodied an attempt to integrate Piagetian ideas with computers and technology.[71][72] Initially there were broad, hopeful claims, including "perhaps the most controversial claim" that it would "improve general problem-solving skills" across disciplines.[71]: 238 However,LOGO programming skills did not consistently yield cognitive benefits.[71]: 238 It was "not as concrete" as advocates claimed, it privileged "one form of reasoning over all others", and it was difficult to apply the thinking activity to non-LOGO-based activities.[73] By the late 1980s,LOGO and other similar programming languages had lost their novelty and dominance and were gradually de-emphasized amid criticisms.[74]
The extent to which e-learning assists or replaces other learning and teaching approaches is variable, ranging on a continuum from none to fullyonlinedistance learning.[75][76] A variety of descriptive terms have been employed (somewhat inconsistently) to categorize the extent to which technology is used. For example, "hybrid learning" or "blended learning" may refer to classroom aids and laptops, or may refer to approaches in which traditional classroom time is reduced but not eliminated, and is replaced with some online learning.[77][78] "Distributed learning" may describe either the e-learning component of a hybrid approach, or fully onlinedistance learning environments.[75]
E-learning may either besynchronous orasynchronous. Synchronous learning occurs in real-time, with all participants interacting at the same time. In contrast, asynchronous learning is self-paced and allows participants to engage in the exchange of ideas or information without the dependency on other participants' involvement at the same time.[79]
Synchronous learning refers to exchanging ideas and information with one or more participants during the same period. Examples are face-to-face discussion, online real-time live teacher instruction and feedback, Skype conversations, and chat rooms or virtual classrooms where everyone is online and working collaboratively at the same time. Since students are working collaboratively, synchronized learning helps students become more open-minded because they have to actively listen and learn from their peers. Synchronized learning fosters online awareness and improves many students' writing skills.[80]
Asynchronous learning may use technologies such aslearning management systems,email,blogs,wikis, anddiscussion boards, as well asweb-supported textbooks,[81]hypertext documents, audio[82] video courses, andsocial networking usingweb 2.0. At the professional educational level, training may includevirtual operating rooms. Asynchronous learning is beneficial for students who have health problems or who have childcare responsibilities. They have the opportunity to complete their work in a low-stress environment and within a more flexible time frame.[48] Inasynchronous online courses, students are allowed the freedom to complete work at their own pace. Being non-traditional students, they can manage their daily life and school and still have the social aspect. Asynchronous collaborations allow the student to reach out for help when needed and provide helpful guidance, depending on how long it takes them to complete the assignment. Many tools used for these courses are but are not limited to: videos, class discussions, and group projects.[83]
Computer-based training (CBT) refers to self-paced learning activities delivered on acomputer or handheld devices such as a tablet or smartphone. CBT initially delivered content via CD-ROM, and typically presented content linearly, much like reading an online book or manual.[84] For this reason, CBT is often used to teach static processes, such as using software or completing mathematical equations. Computer-based training is conceptually similar to web-based training (WBT), which is delivered viaInternet using aweb browser.
Assessing learning in a CBT is often by assessments that can be easily scored by a computer such as multiple-choice questions, drag-and-drop, radio button, simulation, or other interactive means. Assessments are easily scored and recorded via online software, providing immediate end-user feedback and completion status. Users are often able to print completion records in the form of certificates.[84]
CBTs provide learning stimulus beyond traditional learning methodology from textbook, manual, or classroom-based instruction. CBTs can be a good alternative to printed learning materials since rich media, including videos or animations, can be embedded to enhance learning.[84]
However, CBTs pose some learning challenges. Typically, the creation of effective CBTs requires enormous resources. The software for developing CBTs is often more complex than a subject matter expert or teacher is able to use.[84]
Computer-supported collaborative learning (CSCL) uses instructional methods designed to encourage or require students to work together on learning tasks, allowingsocial learning. CSCL is similar in concept to the terminology, "e-learning 2.0" and "networked collaborative learning" (NCL).[85] WithWeb 2.0 advances, sharing information between multiple people in anetwork has become much easier and use has increased.[84][86]: 1 [87] One of the main reasons for its usage states that it is "a breeding ground for creative and engaging educational endeavors."[86]: 2 Learning takes place through conversations about content andgrounded interaction about problems and actions. This collaborative learning differs from instruction in which the instructor is the principal source of knowledge and skills.[84] The neologism "e-learning 1.0" refers todirect instruction used in early computer-based learning and training systems (CBL). In contrast to that linear delivery of content, often directly from the instructor's material, CSCL usessocial software such asblogs, social media,wikis,podcasts, cloud-based document portals, discussion groups and virtual worlds.[88] This phenomenon has been referred to as Long Tail Learning.[89] Advocates of social learning claim that one of the best ways to learn something is to teach it to others.[89] Social networks have been used to fosteronline learning communities around subjects as diverse as test preparation andlanguage education.Mobile-assisted language learning (MALL) is the use of handheld computers or cell phones to assist in language learning.
Collaborative apps allow students and teachers to interact while studying. Apps are designed after games, which provide a fun way to revise. When the experience is enjoyable, the students become more engaged. Games also usually come with a sense of progression, which can help keep students motivated and consistent while trying to improve.[90]
Classroom 2.0 refers to onlinemulti-user virtual environments (MUVEs) that connect schools across geographical frontiers. Known as "eTwinning",computer-supported collaborative learning (CSCL) allows learners in one school to communicate with learners in another that they would not get to know otherwise,[91][92] enhancing educational outcomes[93] and cultural integration.
Further, many researchers distinguish between collaborative and cooperative approaches to group learning. For example, Roschelle and Teasley (1995) argue that "cooperation is accomplished by the division of labor among participants, as an activity where each person is responsible for a portion of the problem solving", in contrast with collaboration that involves the "mutual engagement of participants in a coordinated effort to solve the problem together."[94]
Social technology, and social media specifically, provides avenues for student learning that would not be available otherwise. For example, it provides ordinary students a chance to exist in the same room as, and share a dialogue with researchers, politicians, and activists. This is because it vaporizes the geographical barriers that would otherwise separate people.[95] Simplified, social media gives students a reach that provides them with opportunities and conversations that allow them to grow as communicators.[96]
Social technologies like Twitter can provide students with an archive of free data that goes back multiple decades. Many classrooms and educators are already taking advantage of this free resource—for example, researchers and educators at the University of Central Florida in 2011 used Tweets posted relating to emergencies likeHurricane Irene as data points, in order to teach their students how to code data.[97][98] Social media technologies also allow instructors the ability to show students how professional networks facilitate work on a technical level.[99]
This is an instructional strategy where the majority of the initial learning occurs first at home using technology. Then, students will engage with higher-order learning tasks in the classroom with the teacher.[100] Often, online tools are used for the individual at-home learning, such as: educational videos, learning management systems, interactive tools, and other web-based resources.[101][102] Some advantages of flipped learning include improved learning performance, enhanced student satisfaction and engagement, flexibility in learning, and increased interaction opportunities between students and instructors.[103][104][105] On the other hand, the disadvantages of flipped learning involve challenges related to student motivation, internet accessibility, quality of videos, and increased workload for teachers.[106][107]
Numerous types of physical technology are currently used:[108][109] digital cameras, video cameras, interactive whiteboard tools, document cameras,electronic media, and LCD projectors. Combinations of these techniques includeblogs,collaborative software,ePortfolios, andvirtual classrooms.[110]
The current design of this type of application includes the evaluation through tools of cognitive analysis that allow one to identify which elements optimize the use of these platforms.[111]
Video technology[113] has includedVHS tapes andDVDs, as well ason-demand andsynchronous methods with digital video viaserver or web-based options such as streamed video andwebcams.Videotelephony can connect with speakers and other experts. Interactive digitalvideo games are being used at K-12 and higher education institutions.[114]
Screencasting allows users to share their screens directly from their browser and make the video available online so that other viewers can stream the video directly.[115]
Webcams andwebcasting have enabled the creation ofvirtual classrooms andvirtual learning environments.[116][117] Webcams are also being used to counter plagiarism and other forms of academic dishonesty that might occur in an e-learning environment.
Computers and tablets enable learners and educators to access websites as well as applications. Many mobile devices supportm-learning.[118]
Mobile devices such asclickers andsmartphones can be used for interactiveaudience response feedback.[119] Mobile learning can provide performance support for checking the time, setting reminders, retrieving worksheets, and instruction manuals.[120][121]
Such devices asiPads are used for helping disabled (visually impaired or with multiple disabilities) children in communication development as well as in improving physiological activity, according to the stimulation Practice Report.[122]
Studies inpre-school (early learning),primary andsecondary education have explored how digital devices are used to enable effective learning outcomes, and create systems that can support teachers.[123] Digital technology can improve teaching and learning by motivating students with engaging, interactive, and fun learning environments. These online interactions enable further opportunities to developdigital literacy,21st century skills, anddigital citizenship.[123]
Embedded single-board computers and microcontrollers such asRaspberry Pi,Arduino andBeagleBone are easy to program, some can run Linux and connect to devices such as sensors, displays, LEDs and robotics. These are cost effective computing devices ideal for learning programming, which work with cloud computing and the Internet of Things. The Internet of things refers to a type of network to connect anything with the Internet-based on stipulated protocols through information sensing equipment to conduct information exchange and communications to achieve smart recognitions, positioning, tracking, monitoring, and administration.[124] These devices are part of aMaker culture that embraces tinkering with electronics and programming to achieve software and hardware solutions. The Maker Culture means there is a huge amount of training and support available.[125]
Group webpages,blogs,wikis, andTwitter allow learners and educators to post thoughts, ideas, and comments on a website in an interactive learning environment.[126][127]Social networking sites are virtual communities for people interested in a particular subject to communicate by voice, chat, instant message, video conference, or blogs.[128] The National School Boards Association found that 96% of students with online access have used social networking technologies and more than 50% talk online about schoolwork. Social networking encourages collaboration and engagement[129] and can be a motivational tool forself-efficacy amongst students.[130]
There are three types of whiteboards.[131] The initialwhiteboards, analogous toblackboards, date from the late 1950s. The term whiteboard is also used metaphorically to refer to virtual whiteboards in which computer software applications simulate whiteboards by allowing writing or drawing. This is a common feature ofgroupware for virtual meetings, collaboration, and instant messaging.Interactive whiteboards allow learners and instructors to write on the touch screen. The screen markup can be on either a blank whiteboard or any computer screen content. Depending on permission settings, this visual learning can be interactive and participatory, including writing and manipulating images on the interactive whiteboard.[131]
Avirtual learning environment (VLE), also known as a learning platform, simulates a virtual classroom or meeting by simultaneously mixing several communication technologies.[132]Web conferencing software enables students and instructors to communicate with each other via webcam, microphone, and real-time chatting in a group setting. Participants can raise their hands, answer polls, or take tests. Students can whiteboard and screencast when given rights by the instructor, who sets permission levels for text notes, microphone rights, and mouse control.[133]
Avirtual classroom provides an opportunity for students to receive direct instruction from a qualified teacher in an interactive environment.[134] Learners can have direct and immediate access to their instructor for instant feedback and direction. The virtual classroom provides a structured schedule of classes, which can be helpful for students who may find the freedom of asynchronous learning to be overwhelming. Besides, the virtual classroom provides a social learning environment that replicates the traditional "brick and mortar" classroom.[135] In addition to formal virtual classrooms, students may use online platforms such asStudySoup to access and share class notes and study guides.[136][137]
Inhigher education especially, avirtual learning environment (VLE) is sometimes combined with amanagement information system (MIS) to create amanaged learning environment, in which all aspects of a course are handled through a consistent user interface throughout the institution.[138] Physical universities and newer online-only colleges offer to selectacademic degrees and certificate programs via the Internet. Some programs require students to attend somecampus classes or orientations, but many are delivered completely online. Several universities offer online student support services, such as online advising and registration, e-counseling, online textbook purchases, student governments, and student newspapers.[139]
Due to theCOVID-19 pandemic, many schools have been forced to move online. As of April 2020, an estimated 90% of high-income countries are offering online learning, with only 25% of low-income countries offering the same.[140]
AR technology plays an important role in the future of the classroom where human co-orchestration takes place seamlessly.[141]
Alearning management system (LMS) is software used for delivering, tracking, and managing training and education. It tracks data about attendance, time on task, and student progress. Educators can post announcements, grade assignments, check on course activities, and participate in class discussions. Students can submit their work, read and respond to discussion questions, and take quizzes.[126] An LMS may allow teachers, administrators, and students, and permitted additional parties (such as parents, if appropriate) to track various metrics. LMSs range from systems for managing training/educational records to software for distributing courses over the Internet and offering features for online collaboration. The creation and maintenance of comprehensive learning content require substantial initial and ongoing investments in human labor. Effective translation into other languages and cultural contexts requires even more investment by knowledgeable personnel.[142]
Alearning content management system (LCMS) is software for author content (courses, reusable content objects). An LCMS may be solely dedicated to producing and publishing content that is hosted on an LMS, or it can host the content itself. TheAviation Industry Computer-Based Training Committee (AICC) specification provides support for content that is hosted separately from the LMS.
Computer-aided assessment (e-assessment) ranges from automated multiple-choice tests to more sophisticated systems. With some systems, feedback can be geared towards a student's specific mistakes, or the computer can navigate the student through a series of questions adapting to what the student appears to have learned or not learned.Formative assessment sifts out the incorrect answers, and these questions are then explained by the teacher. The learner then practices with slight variations of the sifted-out questions. The learning cycle often concludes withsummative assessment, using a new set of questions that cover the topics previously taught.[143]
Atraining management system or training resource management system is software designed to optimize instructor-led training management. Similar to anenterprise resource planning (ERP), it is aback office tool that aims at streamlining every aspect of the training process: planning (training plan and budget forecasting), logistics (scheduling and resource management), financials (cost tracking, profitability), reporting, and sales for-profit training providers.[144]
Content and design architecture issues includepedagogy andlearning object re-use. One approach looks at five aspects:[145]
The academic study and development ofartificial intelligence can bedated to at least 1956 whencognitive scientists began to investigate thought and learning processes in humans and machines. The earliest uses of AI in education can be traced to the development ofintelligent tutoring systems (ITS) and their application in enhancing educational experiences.[146] They are designed to provide immediate and personalized feedback to students.[147] The incentive to develop ITS comes from educational studies showing that individual tutoring is much more effective than group teaching,[148][149] in addition to the need for promoting learning on a larger scale. Over the years, a combination of cognitive science and data-driven techniques have enhanced the capabilities of ITS, allowing it to model a wide range of students' characteristics, such as knowledge,[150] affect,[151] off-task behavior,[152] and wheel spinning.[153] There is ample evidence that ITS are highly effective in helping students learn.[154] ITS can be used to keep students in thezone of proximal development (ZPD): the space wherein students may learn with guidance. Such systems can guide students through tasks slightly above their ability level.[155]
Generative artificial intelligence (GenAI) gained widespread public attention with the introduction ofChatGPT in November 2022.[156] This caused alarm among K-12 and higher education institutions,[157] with a few large school districts quickly banning GenAI,[158] due to concerns about potentialacademic misconduct.[159] However, as the debate developed,[160] these bans were largely reversed within a few months.[161] To combat academic misconduct,detection tools have been developed, but their accuracy is limited.[162][163]
There have been various use cases in education, including providing personalized feedback, brainstorming classroom activities, support for students with special needs, streamlining administrative tasks, and simplifying assessment processes.[164] However, GenAI can output incorrect information, also known ashallucination.[156] Its outputs can also be biased,[165] leading to calls for transparency regarding the data used to train GenAI models and their use.[156][166] Providing professional development for teachers and developing policies and regulations can help mitigate theethical concerns of GenAI.[156][165] And while AI systems can provide individualized instruction and adaptive feedback to students, they have the potential to impact students' sense of classroom community.
Various forms of electronic media can be a feature ofpreschool life.[167] Although parents report a positive experience, the impact of such use has not been systematically assessed.[167]
The age when a given child might start using a particular technology, such as a cellphone or computer, might depend on matching a technological resource to the recipient's developmental capabilities, such as the age-anticipated stages labeled by Swiss psychologist,Jean Piaget.[168] Parameters, such as age-appropriateness, coherence with sought-after values, and concurrent entertainment and educational aspects, have been suggested for choosing media.[169]
At the preschool level, technology can be introduced in several ways. At the most basic is the use of computers, tablets, and audio and video resources in classrooms.[170] Additionally, there are many resources available for parents and educators to introduce technology to young children or to use technology to augment lessons and enhance learning. Some options that are age-appropriate are video- or audio-recording of their creations, introducing them to the use of the internet through browsing age-appropriate websites, providing assistive technology to allow disabled children to participate with the rest of their peers,[171] educational apps, electronic books, and educational videos.[172] There are many free and paid educational website and apps that are directly targeting the educational needs of preschool children. These include Starfall, ABC mouse,[172] PBS Kids Video, Teach me, and Montessori crosswords.[173] Educational technology in the form of electronic books [109] offer preschool children the option to store and retrieve several books on one device, thus bringing together the traditional action of reading along with the use of educational technology. Educational technology is also thought to improve hand-eye coordination, language skills, visual attention, and motivation to complete educational tasks, and allows children to experience things they otherwise would not.[123] There are several keys to making the most educational use of introducing technology at the preschool level: technology must be used appropriately, should allow access to learning opportunities, should include the interaction of parents and other adults with the preschool children, and should be developmentally appropriate.[174] Allowing access to learning opportunities especially for allowing disabled children to have access to learning opportunities, giving bilingual children the opportunity to communicate and learn in more than one language, bringing in more information about STEM subjects, and bringing in images of diversity that may be lacking in the child's immediate environment.[174]
Coding is also becoming part of the early learning curriculum and preschool-aged children can benefit from experiences that teach coding skills even in a screen-free way. There are activities and games that teach hands-on coding skills that prepare students for the coding concepts they will encounter and use in the future.[175]Minecraft andRoblox are two popular coding and programming apps being adopted by institutions that offer free or low-cost access.[175]
E-learning is increasingly being utilized by students who may not want to go to traditional brick-and-mortar schools due to severe allergies or other medical issues, fear ofschool violence andschool bullying, and students whose parents would like to homeschool but do not feel qualified.[176] Online schools create a haven for students to receive a quality education while almost completely avoiding these common problems. Online charter schools also often are not limited by location, income level, or class size in the way brick and mortar charter schools are.[177]
E-learning also has been rising as a supplement to the traditional classroom. Students with special talents or interests outside of the available curricula use e-learning to advance their skills or exceed grade restrictions.[178]
Virtual education inK-12 schooling often refers tovirtual schools, and in higher education tovirtual universities.Virtual schools are "cybercharter schools"[179] with innovative administrative models and course delivery technology.[179]
Education technology also seems to be an interesting method of engaging gifted youths that are under-stimulated in their current educational program.[180] This can be achieved withafter-school programs or eventechnologically-integrated curricula.3D printing integrated courses (3dPIC) can also give youths the stimulation they need in their educational journey.[181]Université de Montréal's Projet SEUR[182] in collaboration with Collège Mont-Royal andLa Variable are heavily developing this field.[183]
Online college course enrollment has seen a 29% increase in enrollment with nearly one-third of all college students, or an estimated 6.7 million students are currently enrolled in online classes.[184][185] In 2009, 44% of post-secondary students in the US were taking some or all of their courses online, which was projected to rise to 81% by 2014.[186]
Although a large proportion offor-profit higher education institutions now offer online classes, only about half of private,non-profit schools do so. Private institutions may become more involved with online presentations as the costs decrease. Properly trained staff must also be hired to work with students online.[187] These staff members need to understand the content area, and also be highly trained in the use of the computer and Internet. Online education is rapidly increasing, and onlinedoctoral programs have even developed at leading research universities.[188]
Althoughmassive open online courses (MOOCs) may have limitations that preclude them from fully replacing college education,[189] such programs have significantly expanded.MIT,Stanford andPrinceton University offer classes to a global audience, but not for college credit.[190] University-level programs, likeedX founded byMassachusetts Institute of Technology andHarvard University, offer a wide range of disciplines at no charge, while others permit students to audit a course at no charge but require a small fee for accreditation. MOOCs have not had a significant impact on higher education and declined after the initial expansion, but are expected to remain in some form.[191] Lately, MOOCs are used by smaller universities to profile themselves with highly specialized courses for special-interest audiences, as for example in a course on technological privacy compliance.[192]
MOOCs have been observed to lose the majority of their initial course participants. In a study performed by Cornell and Stanford universities, student-drop-out rates from MOOCs have been attributed to student anonymity, the solitude of the learning experience, and to the lack of interaction with peers and with teachers.[193] Effective student engagement measures that reduce drop-outs are forum interactions and virtual teacher or teaching assistant presence - measures which induce staff cost that grows with the number of participating students.
E-learning is being used by companies to deliver mandatorycompliance training and updates forregulatory compliance, soft skills and IT skills training,continuing professional development (CPD), and other valuable workplace skills.[194] Companies with spread outdistribution chains use e-learning for delivering information about the latestproduct developments. Most corporate e-learning is asynchronous and delivered and managed vialearning management systems.[195] The big challenge in corporate e-learning is to engage the staff, especially on compliance topics for which periodic staff training is mandated by the law or regulations.[194]
Educational technology is used by governmental bodies to train staff and civil service. Government agencies also have an interest in promoting digital technology use, and improving skills amongst the people they serve.
Effective technology use deploys multiple evidence-based strategies concurrently (e.g. adaptive content, frequent testing, immediate feedback, etc.), as do effective teachers.[196] Using computers or other forms of technology can give students practice on core content and skills while the teacher can work with others, conduct assessments, or perform other tasks.[196][197] Through the use of educational technology, education is able to be individualized for each student allowing for better differentiation and allowing students to work for mastery at their own pace.[198] In India, theNational Level Common Entrance Examination (NLCEE) utilized educational technology to provide free online coaching and scholarship opportunities. By leveraging digital platforms during the COVID-19 pandemic, NLCEE ensured students, especially those from underprivileged backgrounds, could access quality education and career guidance remotely.[199]
Modern educational technology can improve access to education,[200] including full degree programs.[201] It enables better integration for non-full-time students, particularly in continuing education,[200] and improved interactions between students and instructors.[202][201] Learning material can be used for long-distance learning and are accessible to a wider audience.[203][200] Course materials are easy to access.[204][200] In 2010, 70.3% of American family households had access to the internet.[205] In 2013, according to Canadian Radio-Television and Telecommunications Commission Canada, 79% of homes have access to the internet.[206] Students can access and engage with numerous online resources at home. Using online resources can help students spend more time on specific aspects of what they may be learning in school but at home. Schools like theMassachusetts Institute of Technology (MIT) have made certain course materials free online.[207]
Students appreciate the convenience of e-learning, but report greater engagement in face-to-face learning environments.[208] Colleges and universities are working towards combating this issue by utilizing WEB 2.0 technologies as well as incorporating more mentorships between students and faculty members.[209]
According to James Kulik, who studies the effectiveness of computers used for instruction, students usually learn more in less time when receiving computer-based instruction, and they like classes more and develop more positive attitudes toward computers in computer-based classes. Students can independently solve problems.[202] There are no intrinsic age-based restrictions on difficulty level, i.e. students can go at their own pace. Students editing their written work on word processors improve the quality of their writing. According to some studies, the students are better at critiquing and editing written work that is exchanged over a computer network with students they know.[204] Studies completed in "computer intensive" settings found increases in student-centric, cooperative, and higher-order learning, writing skills, problem-solving, and using technology.[210] In addition, attitudes toward technology as a learning tool by parents, students, and teachers are also improved.
Employers' acceptance ofonline education has risen over time.[211] More than 50% of human resource managersSHRM surveyed for an August 2010 report said that if two candidates with the same level of experience were applying for a job, it would not have any kind of effect whether the candidate's obtained degree was acquired through an online or a traditional school. Seventy-nine percent said they had employed a candidate with an online degree in the past 12 months. However, 66% said candidates who get degrees online were not seen as positively as job applicants with traditional degrees.[211]
The use of educational apps generally has a positive effect on learning. Pre- and post-tests have revealed that the use of educational apps on mobile devices reduces the achievement gap between struggling and average students.[212]
Globally, factors like change management, technology obsolescence, and vendor-developer partnership are major restraints that are hindering the growth of the Educational technology market.[213]
In the US, state and federal government increased funding, as well as private venture capital, has been flowing into the education sector. However, as of 2013[update], none were looking at technology return on investment (ROI) to connect expenditures on technology with improved student outcomes.[214]
New technologies are frequently accompanied by unrealistic hype and promise regarding their transformative power to change education for the better or in allowing better educational opportunities to reach the masses. Examples include silent film, broadcast radio, and television, none of which have maintained much of a foothold in the daily practices of mainstream, formal education.[215] Technology, in and of itself, does not necessarily result in fundamental improvements to educational practice.[216] The focus needs to be on the learner's interaction with technology—not the technology itself. It needs to be recognized as "ecological" rather than "additive" or "subtractive". In this ecological change, one significant change will create total change.[217]
According to Branford et al., "technology does not guarantee effective learning", and inappropriate use of technology can even hinder it.[24] A University of Washington study of infant vocabulary shows that it is slipping due to educational baby DVDs. Published in theJournal of Pediatrics, a 2007 University of Washington study on the vocabulary of babies surveyed over 1,000 parents in Washington and Minnesota. The study found that for every hour that babies 8–16 months of age watched DVDs and videos, they knew 6–8 fewer of 90 common baby words than the babies that did not watch them. Andrew Meltzoff, a surveyor in this study, states that the result makes sense, that if the baby's "alert time" is spent in front of DVDs and TV, instead of with people speaking, the babies are not going to get the same linguistic experience. Dimitri Chistakis, another surveyor reported that the evidence is mounting that baby DVDs are of no value and may be harmful.[218][219][220][221]
Adaptive instructional materials tailor questions to each student's ability and calculate their scores, but this encourages students to work individually rather than socially or collaboratively (Kruse, 2013). Social relationships are important, but high-tech environments may compromise the balance of trust, care, and respect between teacher and student.[222]
Massively open online courses (MOOCs), although quite popular in discussions of technology and education in developed countries (more so in the US), are not a major concern in most developing or low-income countries. One of the stated goals of MOOCs is to provide less fortunate populations (i.e., in developing countries) an opportunity to experience courses with US-style content and structure. However, research shows only 3% of the registrants are from low-income countries, and although many courses have thousands of registered students only 5–10% of them complete the course.[223] This can be attributed to lack of staff support, course difficulty, and low levels of engagement with peers.[224] MOOCs also implies that certain curriculum and teaching methods are superior, and this could eventually wash over (or possibly washing out) local educational institutions, cultural norms, and educational traditions.[225]
With the Internet and social media, using educational apps makes students highly susceptible to distraction and sidetracking. Even though proper use has been shown to increase student performance, being distracted would be detrimental. Another disadvantage is an increased potential for cheating.[226]
A disadvantage of e-learning is that it can cause depression, according to a study made during the 2021 COVID-19 quarantines.[227]
Electronic devices such as cell phones and computers facilitate rapid access to a stream of sources, each of which may receive cursory attention. Michel Rich, an associate professor at Harvard Medical School and executive director of the center on Media and Child Health in Boston, said of the digital generation, "Their brains are rewarded not for staying on task, but for jumping to the next thing. The worry is we're raising a generation of kids in front of screens whose brains are going to be wired differently."[228] Students have always faced distractions; computers and cell phones are a particular challenge because the stream of data can interfere with focusing and learning. Although these technologies affect adults too, young people may be more influenced by it as their developing brains can easily become habituated to switching tasks and become unaccustomed to sustaining attention.[228] Too much information, coming too rapidly, can overwhelm thinking.[229]
Technology is "rapidly and profoundly altering our brains."[230] High exposure levels stimulate brain cell alteration and release neurotransmitters, which causes the strengthening of some neural pathways and the weakening of others. This leads to heightened stress levels on the brain that, at first, boost energy levels, but, over time, actually augment memory, impair cognition, lead to depression, and alter the neural circuitry of the hippocampus, amygdala and prefrontal cortex. These are the brain regions that control mood and thought. If unchecked, the underlying structure of the brain could be altered.[228][230] Overstimulation due to technology may begin too young. When children are exposed before the age of seven, important developmental tasks may be delayed, and bad learning habits might develop, which "deprives children of the exploration and play that they need to develop."[231] Media psychology is an emerging specialty field that embraces electronic devices and the sensory behaviors occurring from the use of educational technology in learning.
According to Lai, "the learning environment is a complex system where the interplay and interactions of many things impact the outcome of learning."[216] When technology is brought into an educational setting, the pedagogical setting changes in that technology-driven teaching can change the entire meaning of an activity without adequate research validation. If technology monopolizes an activity, students can begin to develop the sense that "life would scarcely be thinkable without technology."[232]
Leo Marx considered the word "technology" itself as problematic,[233] susceptible to reification and "phantom objectivity", which conceals its fundamental nature as something that is only valuable insofar as it benefits the human condition. Technology ultimately comes down to affecting the relations between people, but this notion is obfuscated when technology is treated as an abstract notion devoid of good and evil.Langdon Winner makes a similar point by arguing that the underdevelopment of the philosophy of technology leaves us with an overly simplistic reduction in our discourse to the supposedly dichotomous notions of the "making" versus the "uses" of new technologies and that a narrow focus on "use" leads us to believe that all technologies are neutral in moral standing.[232]: ix–39
Winner viewed technology as a "form of life" that not only aids human activity, but that also represents a powerful force in reshaping that activity and its meaning.[232]: ix–39
By far, the greatest latitude of choice exists the very first time a particular instrument, system, or technique is introduced. Because choices tend to become strongly fixed in material equipment, economic investment, and social habit, the original flexibility vanishes for all practical purposes once the initial commitments are made. In that sense, technological innovations are similar to legislative acts or political findings that establish a framework for public order that will endure over many generations. (p. 29)
When adopting new technologies, there may be one best chance to "get it right".Seymour Papert (p. 32) points out a good example of a (bad) choice that has become strongly fixed in social habit and material equipment: our "choice" to use theQWERTY keyboard.[234]
Neil Postman endorsed the notion that technology impacts human cultures, including the culture of classrooms, and that this is a consideration even more important than considering the efficiency of new technology as a tool for teaching.[217] Regarding the computer's impact on education, Postman writes (p. 19):
What we need to consider about the computer has nothing to do with its efficiency as a teaching tool. We need to know in what ways it is altering our conception of learning, and how in conjunction with television, it undermines the old idea of school.
There is an assumption that technology is inherently interesting so it must be helpful in education; based on research by Daniel Willingham, that is not always the case. He argues that it does not necessarily matter what the technological medium is, but whether or not the content is engaging and utilizes the medium in a beneficial way.[235]
The concept of thedigital divide is a gap between those who have access to digital technologies and those who do not.[236] Access may be associated with age, gender, socio-economic status, education, income, ethnicity, and geography.[236][237]
According to a report by theElectronic Frontier Foundation, large amounts of personal data on children are collected by electronic devices that are distributed in schools in the United States. Often, far more information than necessary is collected, uploaded, and stored indefinitely. Aside from name and date of birth, this information can include the child's browsing history, search terms, location data, contact lists, as well as behavioral information.[238]: 5 Parents are not informed or, if informed, have little choice.[238]: 6 According to the report, this constant surveillance resulting from educational technology can "warp children's privacy expectations, lead them to self-censor, and limit their creativity".[238]: 7 In a 2018public service announcement, theFBI warned that widespread collection of student information by educational technologies, includingweb browsing history, academic progress, medical information, andbiometrics, created the potential for privacy and safety threats if such data was compromised or exploited.[239]
The transition from in-person learning todistance education in higher education due to the COVID-19 pandemic has led to enhanced extraction of student data enabled by complex data infrastructures. These infrastructures collect information such as learning management system logins, library metrics, impact measurements, teacher evaluation frameworks, assessment systems, learning analytic traces, longitudinal graduate outcomes, attendance records, social media activity, and so on. The copious amounts of information collected are quantified for the marketization of higher education, employing this data as a means to demonstrate and compare student performance across institutions to attract prospective students, mirroring the capitalistic notion of ensuring efficient market functioning and constant improvement through measurement.[240] This desire of data has fueled the exploitation ofhigher education by platform companies and data service providers who are outsourced by institutions for their services. The monetization of student data in order to integrate corporate models of marketization further pushes higher education, widely regarded as a public good, into a privatized commercial sector.[241]
Since technology is not the end goal of education, but rather a means by which it can be accomplished, educators must have a good grasp of the technology and its advantages and disadvantages. Teacher training aims for the effective integration of classroom technology.[242]
The evolving nature of technology may unsettle teachers, who may experience themselves as perpetual novices.[243] Finding quality materials to support classroom objectives is often difficult. Random professional development days are inadequate.[243]
According to Jenkins, "Rather than dealing with each technology in isolation, we would do better to take an ecological approach, thinking about the interrelationship among different communication technologies, the cultural communities that grow up around them, and the activities they support."[237] Jenkins also suggested that the traditional school curriculum guided teachers to train students to be autonomous problem solvers.[237] However, today's workers are increasingly asked to work in teams, drawing on different sets of expertise, and collaborating to solve problems.[237] Learning styles and the methods of collecting information have evolved, and "students often feel locked out of the worlds described in their textbooks through the depersonalized and abstract prose used to describe them".[237] These twenty-first-century skills can be attained through the incorporation and engagement with technology.[244] Changes in instruction and use of technology can also promote a higher level of learning among students with different types of intelligence.[245]
There are two distinct issues of assessment: the assessmentof educational technology[237][246] and assessmentwith technology.[247]
Assessmentsof educational technology have included theFollow Through project.
Educational assessmentwith technology may be eitherformative assessment orsummative assessment. Instructors use both types of assessments to understand student progress and learning in the classroom. Technology has helped teachers create better assessments to help understand where students who are having trouble with the material are having issues.
Formative assessment is more difficult, as the perfect form is ongoing and allows the students to show their learning in different ways depending on theirlearning styles. Technology has helped some teachers make their formative assessments better, particularly through the use of aclassroom response system (CRS).[248] A CRS is a tool in which the students each have a handheld device that partners up with the teacher's computer. The instructor then asks multiple choice or true or false questions and the students answer on their devices.[248] Depending on the software used, the answers may then be shown on a graph so students and the teacher can see the percentage of students who gave each answer and the teacher can focus on what went wrong.[249]
Classroom response systems have a history going back to the late 1960s and early 1970s, whenanalogue electronics were used in their implementations.[250] There were a few commercial products available, but they were costly and some universities preferred to build their own.[251] The first such system appears to have been put into place atStanford University, but it suffered from difficulties in use.[250] Another early system was one designed and built byRaphael M. Littauer, a professor of physics atCornell University, and used for large lecture courses.[251][252] It was more successful than most of the other early systems, in part because the designer of the system was also the instructor using it.[250] A subsequent classroom response technologies involvedH-ITT withinfrared devices.[252]
Summative assessments are more common in classrooms and are usually set up to be more easily graded, as they take the form of tests or projects with specific grading schemes. One huge benefit of tech-based testing is the option to give students immediate feedback on their answers. When students get these responses, they are able to know how they are doing in the class which can help push them to improve or give them confidence that they are doing well.[253] Technology also allows for different kinds of summative assessment, such as digital presentations, videos, or anything else the teacher/students may come up with, which allows different learners to show what they learned more effectively.[253] Teachers can also use technology to post graded assessments online for students to have a better idea of what a good project is.
Electronic assessment usesinformation technology. It encompasses several potential applications, which may be teacher or student-oriented, includingeducational assessment throughout the continuum of learning, such ascomputerized classification testing,computerized adaptive testing,student testing, andgrading an exam. E-Marking is an examiner-led activity closely related to othere-assessment activities such as e-testing, or e-learning which are student-led. E-marking allows markers to mark a scanned script or online response on a computer screen rather than on paper.
There are no restrictions on the types of tests that can use e-marking, with e-marking applications designed to accommodate multiple choice, written, and even video submissions for performance examinations. E-marking software is used by individual educational institutions and can also be rolled out to the participating schools of awarding exam organizations. E-marking has been used to mark many well-known high stakes examinations, which in the United Kingdom includeA levels andGCSE exams, and in the US includes theSAT test for college admissions.Ofqual reports that e-marking is the main type of marking used for general qualifications in the United Kingdom.
In 2014, theScottish Qualifications Authority (SQA) announced that most of the National 5 question papers would be e-marked.[254]
In June 2015, theOdisha state government in India announced that it planned to use e-marking for all Plus II papers from 2016.[255]
The importance of self-assessment through tools made available on educational technology platforms has been growing.Self-assessment in education technology relies on students analyzing their strengths, weaknesses, and areas where improvement is possible to set realistic goals in learning, improve their educational performances and track their progress.[256][257] One of the unique tools for self-assessment made possible by education technology is Analytics.Analytics is data gathered on the student's activities on the learning platform, drawn into meaningful patterns that lead to a valid conclusion, usually through the medium of data visualization such as graphs.Learning analytics is the field that focuses on analyzing and reporting data about students' activities in order to facilitate learning.
The five key sectors of the e-learning industry are consulting, content, technologies, services, and support.[258] Worldwide, e-learning was estimated in 2000 to be over $48 billion according to conservative estimates.[259] Commercial growth has been brisk.[260][261] In 2014, the worldwide commercial market activity was estimated at $6 billion venture capital over the past five years,[260]: 38 with self-paced learning generating $35.6 billion in 2011.[260]: 4 North American e-learning generated $23.3 billion in revenue in 2013, with a 9% growth rate in cloud-based authoring tools and learning platforms.[260]: 19
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