Remarks on the Theory of Quasi-sets.Steven French &DécioKrause -2010 -Studia Logica 95 (1-2):101 - 124.detailsQuasi-set theory has been proposed as a means of handling collections of indiscernible objects. Although the most direct application of the theory is quantum physics, it can be seen per se as a non-classical logic (a non-reflexive logic). In this paper we revise and correct some aspects of quasi-set theory as presented in [12], so as to avoid some misunderstandings and possible misinterpretations about the results achieved by the theory. Some further ideas with regard to quantum field theory are also (...) advanced in this paper. (shrink)
Quantum vagueness.Steven French &DécioKrause -2003 -Erkenntnis 59 (1):97 - 124.detailsIt has been suggested that quantum particles are genuinelyvague objects (Lowe 1994a). The present work explores thissuggestion in terms of the various metaphysical packages that areavailable for describing such particles. The formal frameworksunderpinning such packages are outlined and issues of identityand reference are considered from this overall perspective. Indoing so we hope to illuminate the diverse ways in whichvagueness can arise in the quantum context.
Governance and Business-Society Relations in Areas of Limited Statehood: An Introduction.HansKrause Hansen,Tanja Börzel &Sameer Azizi -2021 -Business and Society 60 (7):1551-1572.detailsIn this introductory article we explore the relationship between statehood and governance, examining in more detail how non-state actors like MNCs, international NGOs, and indigenous authorities, often under conditions of extreme economic scarcity, ethnic diversity, social inequality and violence, take part in the making of rules and the provision of collective goods. Conceptually, we focus on the literature on Areas of Limited Statehood and discuss its usefulness in exploring how business-society relations are governed in the global South, and beyond. Building (...) on insights from this literature, among others, the four articles included in this special issue provide rich illustrations and critical reflections on the multiple, complex and often ambiguous roles of state and non-state actors operating in contemporary Syria, Nigeria, India and Palestine, with implications for conventional understandings of CSR, stakeholders, and related conceptualizations. (shrink)
Vague Identity and Quantum Non-Individuality.Steven French &DécioKrause -1995 -Analysis 55 (1):20 - 26.detailsLowe has recently argued that quantum particles offer examples of vague objects. While accepting the premise of the argument that such particles can be regarded as individuals, we point out that there is a lacuna here, to be filled by a detailed analysis of the nature of the entangled states which they enter into. We then elaborate the alternative view, according to which such particles should be regarded as non- individuals' and situate it in the context of recent developments of (...) a logic of non- individuality. Our conclusion is that it is here that one encounters genuine ontic vagueness. (shrink)
Q-spaces and the Foundations of Quantum Mechanics.Graciela Domenech,Federico Holik &DécioKrause -2008 -Foundations of Physics 38 (11):969-994.detailsOur aim in this paper is to take quite seriously Heinz Post’s claim that the non-individuality and the indiscernibility of quantum objects should be introduced right at the start, and not made a posteriori by introducing symmetry conditions. Using a different mathematical framework, namely, quasi-set theory, we avoid working within a label-tensor-product-vector-space-formalism, to use Redhead and Teller’s words, and get a more intuitive way of dealing with the formalism of quantum mechanics, although the underlying logic should be modified. We build (...) a vector space with inner product, the Q-space, using the non-classical part of quasi-set theory, to deal with indistinguishable elements. Vectors in Q-space refer only to occupation numbers and permutation operators act as the identity operator on them, reflecting in the formalism the fact of unobservability of permutations. Thus, this paper can be regarded as a tentative to follow and enlarge Heinsenberg’s suggestion that new phenomena require the formation of a new “closed” (that is, axiomatic) theory, coping also with the physical theory’s underlying logic and mathematics. (shrink)
Numerical operations, transparency illusions and the datafication of governance.HansKrause Hansen -2015 -European Journal of Social Theory 18 (2):203-220.detailsBuilding on conceptual insights from the history and sociology of numbers, media and surveillance studies, and theories of governance and risk, this article analyzes the forms of transparency produced by the use of numbers in social life. It examines what it is about numbers that often makes their ‘truth claims’ so powerful, investigates the role that numerical operations play in the production of retrospective, real-time and anticipatory forms of transparency in contemporary politics and economic transactions, and discusses some of the (...) implications resulting from the increasingly abstract and machine-driven use of numbers. It argues that the forms of transparency generated by machine-driven numerical operations open up for individual and collective practices in ways that are intimately linked to precautionary and pre-emptive aspirations and interventions characteristic of contemporary governance. As such, these numerical operations raise important political and ethical questions that deserve further conceptual and empirical scrutiny. (shrink)
No categories
Scientific Theories, Models and the Semantic Approach.Otávio Bueno &DécioKrause -2007 -Principia: An International Journal of Epistemology 11 (2):187-201.detailsAccording to the semantic view, a theory is characterized by a class of models. In this paper, we examine critically some of the assumptions that underlie this approach. First, we recall that models are models of something. Thus we cannot leave completely aside the axiomatization of the theories under consideration, nor can we ignore the metamathematics used to elaborate these models, for changes in the metamathematics often impose restrictions on the resulting models. Second, based on a parallel between van Fraassen’s (...) modal interpretation of quantum mechanics and Skolem’s relativism regarding set-theoretic concepts, we introduce a distinction between relative and absolute concepts in the context of the models of a scientific theory. And we discuss the significance of that distinction. Finally, by focusing on contemporary particle physics, we raise the question: since there is no general accepted unification of the parts of the standard model (namely, QED and QCD), we have no theory, in the usual sense of the term. This poses a difficulty: if there is no theory, how can we speak of its models? What are the latter models of? We conclude by noting that it is unclear that the semantic view can be applied to contemporary physical theories. (shrink)
From primitive identity to the non-individuality of quantum objects.Jonas Becker Arenhart &DécioKrause -2014 -Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 46 (2):273-282.detailsWe consider the claim by Dorato and Morganti 591–610) that primitive individuality should be attributed to the entities dealt with by non-relativistic quantum mechanics. There are two central ingredients in the proposal: in the case of non-relativistic quantum mechanics, individuality should be taken as a primitive notion and primitive individuality is naturalistically acceptable. We argue that, strictly understood, naturalism faces difficulties in helping to provide a theory with a unique principle of individuation. We also hold that even when taken in (...) a loose sense, naturalism does not provide any sense in which one could hold that quantum mechanics endorses primitive individuality over non-individuality. Rather, we argue that non-individuality should be preferred based on the grounds that such a view fits better the claims of the theory. (shrink)
Modelling Extended Extragalactic Radio Sources.Daniela M. Bailer-Jones -2000 -Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 31 (1):49-74.detailsThis paper examines the process of modelling a complex empirical phenomenon in modern astrophysics: extended extragalactic radio sources. I show that modelling is done piecemeal, addressing selected striking or puzzling features of that phenomenon separately and individually. The result is various independent and separate sub-models concerned only with limited aspects of the same phenomenon. Because the sub-models represent features of the same physical phenomenon, they need to be reasonably consistent with each other - a criterion not always fully adhered to (...) - and there needs to be a way to conceptually `re-unite' the sub-models to form an overall-model. Visualisation, that is, supplying a concrete interpretation of abstract, theoretical sub-models, aids this modelling process. My case study further endorses the view that modelling is `work in progress', i.e. a form of developing knowledge whereby models represent, not replicate, a phenomenon. (shrink)
‘Autism and the good life’: a new approach to the study of well-being.Raffaele Rodogno,KatrineKrause-Jensen &Richard E. Ashcroft -2016 -Journal of Medical Ethics 42 (6):401-408.detailsMedical, psychological, educational and social interventions to modify the behaviour of autistic people are only justified if they confer benefit on those people. However, it is not clear how ‘benefit’ should be understood. Most such interventions are justified by referring to the prospect that they will effect lasting improvements in the well-being and happiness of autistic people, so they can lead good lives. What does a good life for an autistic person consist in? Can we assume that his or her (...) well-being is substantively the same as the well-being of non-autistic individuals? In this paper, we argue that, as it stands, the current approach to the study of well-being is for the most part unable to answer these questions. In particular, much effort is needed in order to improve the epistemology of well-being, especially so if we wish this epistemology to be ‘autism-sensitive’. Towards the end of the paper, we sketch a new, autism-sensitive approach and apply it in order to begin answering our initial questions. (shrink)
Why Non-individuality? A Discussion on Individuality, Identity, and Cardinality in the Quantum Context.Jonas Rafael Becker Arenhart &DécioKrause -2012 -Erkenntnis (1):1-18.detailsRecently, in the debate about the ontology of quantum mechanics some authors have defended the view that quantum particles are individuals in a primitive sense, so that individuality should be preferred over non-individuality (the alternative option). Primitive individuality involves two main claims: (1) every item is identical with itself and (2) it is distinct from every other item. Non-relativistic quantum mechanics is said to provide positive evidence for that position, since in every situation comprising multiple particles there is a well-defined (...) number of them to begin with, and so they must be distinct from each other. We argue that the link between a well-defined number of items and the relation of identity that is being claimed to hold is not imposed by quantum mechanics, but rather by a metaphysical view. Formal evidence is advanced in favor of the thesis that counting may be performed for items without identity (non-individuals), so that quantum mechanics needs not be viewed as endorsing an ontology of individuals. (shrink)
Contradiction, Quantum Mechanics, and the Square of Opposition.Jonas R. B. Arenhart &DécioKrause -unknowndetailsWe discuss the idea that superpositions in quantum mechanics may involve contradictions or contradictory properties. A state of superposition such as the one comprised in the famous Schrödinger’s cat, for instance, is sometimes said to attribute contradictory properties to the cat: being dead and alive at the same time. If that were the case, we would be facing a revolution in logic and science, since we would have one of our greatest scientific achievements showing that real contradictions exist.We analyze that (...) claim by employing the traditional square of opposition.We suggest that it is difficult to make sense of the idea of contradiction in the case of quantum superpositions. From a metaphysical point of view the suggestion also faces obstacles, and we present some of them. (shrink)
Presentism meets black holes.Gustavo E. Romero &Daniela Pérez -2014 -European Journal for Philosophy of Science 4 (3):293-308.detailsPresentism is, roughly, the metaphysical doctrine that maintains that whatever exists, exists in the present. The compatibility of presentism with the theories of special and general relativity was much debated in recent years. It has been argued that at least some versions of presentism are consistent with time-orientable models of general relativity. In this paper we confront the thesis of presentism with relativistic physics, in the strong gravitational limit where black holes are formed. We conclude that the presentist position is (...) at odds with the existence of black holes and other compact objects in the universe. A revision of the thesis is necessary, if it is intended to be consistent with the current scientific view of the universe. (shrink)
Parental Responsibility: A Moving Target.Kristien Hens,Daniela Cutas &Dorothee Horstkötter -2016 - In Kristien Hens, Daniela Cutas & Dorothee Horstkötter,Parental Responsibility in the Context of Neuroscience and Genetics. Cham: Springer International Publishing.detailsBeliefs about the moral status of children have changed significantly in recent decades in the Western world. At the same time, knowledge about likely consequences for children of individual, parental, and societal choices has grown, as has the array of choices that (prospective) parents may have at their disposal. The intersection between these beliefs, this new knowledge, and these new choices has created a minefield of expectations from parents and a seemingly ever-expanding responsibility towards their children. Some of these new (...) challenges have resulted from progress in genetics and neuroscience. It is these challenges that we focus on in this introduction and volume. (shrink)
Quantum objects are vague objects.Steven French &DécioKrause -1996 -Sorites 6 (1):21--33.detailsIs there vagueness in the world? This is the central question that we are concerned with. Focusing on identity statements around which much of the recent debate has centred, we argue that `vague identity' arises in quantum mechanics in one of two ways. First, quantum particles may be described as individuals, with `entangled' states understood in terms of non-supervenient relations. In this case, the vagueness is ontic but exists at the level of these relations which act as a kind of (...) `veil'. Secondly, the particles can be regarded as non-individuals, where this is understood as a lack of self-identity and given formal expression in terms of quasi-set theory. Here we have ontic vagueness at perhaps the most basic metaphysical level. Our conclusion is that there is genuine vagueness `in the world' but how it is understood depends on the metaphysical package adopted. (shrink)
Potentiality and Contradiction in Quantum Mechanics.Jonas R. B. Arenhart &DecioKrause -unknowndetailsFollowing J.-Y.Béziau in his pioneer work on non-standard interpretations of the traditional square of opposition, we have applied the abstract structure of the square to study the relation of opposition between states in superposition in orthodox quantum mechanics in [1]. Our conclusion was that such states are contraries, contradicting previous analyzes that have led to different results, such as those claiming that those states represent contradictory properties. In this chapter we bring the issue once again into the center of the (...) stage, but now discussing the metaphysical presuppositions which underlie each kind of analysis and which lead to each kind of result, discussing in particular the idea that superpositions represent potential contradictions. We shall argue that the analysis according to which states in superposition are contrary rather than contradictory is still more plausible. (shrink)
Tocqueville-Handbuch: Leben – Werk – Wirkung.Norbert Campagna,Oliver Hidalgo &SkadiKrause (eds.) -2021 - Berlin: J.B. Metzler.detailsDas Handbuch gewährt einen umfassenden Überblick über Tocquevilles Leben, Werk und Wirkung auf dem aktuellen Stand der historischen, philosophischen und sozialwissenschaftlichen Forschung. Dem äußerst facettenreichen, in Deutschland aber nach wie vor unterschätzten Autor widmet dieser Band eine ebenso kompakte wie systematische Darstellung, die auf der Basis eines strukturierten Zugriffs und unter Berücksichtigung aller seiner Schriften verschiedene Aspekte seines Denkens erfasst. Deutschsprachige Leserinnen und Leser können sich schnell und zielführend fundierte Informationen über Tocquevilles Theorien, seine zentralen Begriffe sowie die wichtigsten Einflüsse (...) verschaffen. Zugleich dient das Handbuch als Kompass zur Einordnung von Tocquevilles Analysen in gegenwärtige Debatten und Themengebiete und gibt anschlussfähige Hinweise für die Konzeption von Projekten in Forschung und Lehre. (shrink)
No categories
Connecting Personal History and Organizational Context: Suggestions for Developing Educational Programs for Youth Soccer Coaches.Caterina Gozzoli,Daniela Frascaroli,Chiara D’Angelo &Giuseppe Licari -2014 -World Futures 70 (2):140-156.details(2014). Connecting Personal History and Organizational Context: Suggestions for Developing Educational Programs for Youth Soccer Coaches. World Futures: Vol. 70, No. 2, pp. 140-156.
Quantifiers and the Foundations of Quasi-Set Theory.Jonas R. Becker Arenhart &DécioKrause -2009 -Principia: An International Journal of Epistemology 13 (3):251-268.detailsIn this paper we discuss some questions proposed by Prof. Newton da Costa on the foundations of quasi-set theory. His main doubts concern the possibility of a reasonable semantical understanding of the theory, mainly due to the fact that identity and difference do not apply to some entities of the theory’s intended domain of discourse. According to him, the quantifiers employed in the theory, when understood in the usual way, rely on the assumption that identity applies to all entities in (...) the domain of discourse. Inspired by his provocation, we suggest that, using some ideas presented by da Costa himself in his seminars at UFSC and by one of us in some papers, these difficulties can be overcome both on a formal level and on an informal level, showing how quantification over items for which identity does not make sense can be understood without presupposing a semantics based on a ‘classical’ set theory. (shrink)
The Social Construction of Reproduction.Anna Smajdor &Daniela Cutas -2025 -Hypatia:1-19.detailsIn recent decades, ethicists have engaged with new developments in human reproductive technologies from a variety of angles. Yet there has been relatively little effort to problematize the concept of reproduction itself. In this paper, we examine the question of what reproduction is and its relationship with biology. We show that reproduction is commonly assumed to entail biological parenthood—an assumption that we term “the biological reproduction paradigm.” Drawing on Sally Haslanger’s analysis of the biological/social division between sex and gender, we (...) suggest that the concept of reproduction is socially constructed, despite its apparently biological nature. In turn, we argue that the supposed necessity of the relationship between reproduction and biological parenthood leads to a situation in which access to a variety of medical, legal, and social goods is constrained on the basis of spurious, inconsistent, and undertheorized assumptions. Finally, we note that, given the socially constructed nature of reproduction, we cannot take it for granted that the term “reproduction” signifies the same thing among different interlocutors and in different contexts. (shrink)
Deep brain stimulation in the media: over-optimistic media portrayals calls for a new strategy involving journalists and scientifics in the ethical debate.Frederic Gilbert &OvadiaDaniela -2011 -Journal of Integrative in Neuroscience 5 (16).detailsDeep brain stimulation (DBS) is optimistically portrayed in contemporary media. This already happened with psychosurgery during the first half of the twentieth century. The tendency of popular media to hype the benefits of DBS therapies, without equally highlighting risks, fosters public expectations also due to the lack of ethical analysis in the scientific literature. Media are not expected (and often not prepared) to raise the ethical issues which remain unaddressed by the scientific community. To obtain a more objective portrayal of (...) DBS in the media, a deeper collaboration between the science community and journalists, and particularly specialized ones, must be promoted. Access to databases and articles, directly or through science media centers, has also been proven effective in increasing the quality of reporting. This article has three main objectives. Firstly, to explore the past media coverage of leukotomy, and to examine its widespread acceptance and the neglect of ethical issues in its depiction. Secondly, to describe how current enthusiastic coverage of DBS causes excessive optimism and neglect of ethical issues in patients. Thirdly, to discuss communication models and strategies to enhance media and science responsibility. (shrink)
Oppositions and quantum mechanics.Jonas R. B. Arenhart &DécioKrause -unknowndetailsIn this paper we deal with two applications of the square of opposition to controversial issues in the philosophy of quantum mechanics. The first one concerns the kind of opposition represented by states in superposition. A superposition of “spin up” and “spin down” for a given spatial direction, for instance, is sometimes said to originate particular kinds of opposition such as contradictoriness. The second application concerns the problem of identical particles. Identity and indiscernibility are entangled in discussions of this problem (...) in such a way that a proper conceptual treatment of those issues through the square seems profitable. (shrink)
Time and irreversibility in an accelerating universe.Gustavo E. Romero &Daniela Pérez -2011 -International Journal of Modern Physics D 20:2831-2838.detailsIt is a remarkable fact that all processes occurring in the observable universe are irre- versible, whereas the equations through which the fundamental laws of physics are formu- lated are invariant under time reversal. The emergence of irreversibility from the funda- mental laws has been a topic of consideration by physicists, astronomers and philosophers since Boltzmann's formulation of his famous \H" theorem. In this paper we shall discuss some aspects of this problem and its connection with the dynamics of space-time, (...) within the framework of modern cosmology. We conclude that the existence of cosmological horizons allows a coupling of the global state of the universe with the local events deter- mined through electromagnetic processes. (shrink)
Artificial gametes, the unnatural and the artefactual.Anna Smajdor,Daniela Cutas &Tuija Takala -2018 -Journal of Medical Ethics 44 (6):404-408.detailsIn debates on the ethics of artificial gametes, concepts of naturalness have been used in a number of different ways. Some have argued that the unnaturalness of artificial gametes means that it is unacceptable to use them in fertility treatments. Others have suggested that artificial gametes are no less natural than many other tissues or processes in common medical use. We suggest that establishing the naturalness or unnaturalness of artificial gametes is unlikely to provide easy answers as to the acceptability (...) of using them in fertility medicine. However, we also suggest that we should be cautious about repudiating any relationship between nature and moral evaluation. The property of being natural or man-made may not per se tell us anything about an entity’s moral status, but it has an important impact on the moral relationship between the creator and the created organism. (shrink)
Heidegger's Contributions to Philosophy: An Introduction.Daniela Vallega-Neu (ed.) -2003 - Indiana University Press.detailsOne of the great virtues of the book is its impeccable clarity and readability." —Peter Warnek In her concise introduction to Martin Heidegger’s second most important work, Contributions to Philosophy (From Enowning),Daniela Vallega ...
Satisfaction of Spiritual Needs and Self-Rated Health among Churchgoers.Deborah Bruce †,NealKrause,Cynthia Woolever &R. David Hayward -2014 -Archive for the Psychology of Religion 36 (1):86-104.detailsResearch indicates that greater involvement in religion may be associated with better physical health. The purpose of this study is to see if the satisfaction of spiritual needs is associated with health. This model that contains the following core hypotheses: Individuals who attend church more often are more likely to receive spiritual support from fellow church members than people who attend worship services less frequently ; receiving more spiritual support is associated with stronger feelings of belonging in a congregation; individuals (...) who feel they belong in their congregations are more likely to feel their spiritual needs have been met; and people who feel their spiritual needs have been met are more likely to rate their health in a favorable manner. The data provide support for each of these relationships. (shrink)
New remarks on the cosmological argument.Gustavo E. Romero &Daniela Pérez -2012 -International Journal for Philosophy of Religion 72 (2):103-113.detailsWe present a formal analysis of the Cosmological Argument in its two main forms: that due to Aquinas, and the revised version of the Kalam Cosmological Argument more recently advocated by William Lane Craig. We formulate these two arguments in such a way that each conclusion follows in first-order logic from the corresponding assumptions. Our analysis shows that the conclusion which follows for Aquinas is considerably weaker than what his aims demand. With formalizations that are logically valid in hand, we (...) reinterpret the natural language versions of the premises and conclusions in terms of concepts of causality consistent with (and used in) recent work in cosmology done by physicists. In brief: the Kalam argument commits the fallacy of equivocation in a way that seems beyond repair; two of the premises adopted by Aquinas seem dubious when the terms ‘cause’ and ‘causality’ are interpreted in the context of contemporary empirical science. Thus, while there are no problems with whether the conclusions follow logically from their assumptions, the Kalam argument is not viable, and the Aquinas argument does not imply a caused origination of the universe. The assumptions of the latter are at best less than obvious relative to recent work in the sciences. We conclude with mention of a new argument that makes some positive modifications to an alternative variation on Aquinas by Le Poidevin, which nonetheless seems rather weak. (shrink)
On the Received View Versus the Alternative View Controversy About Quantum (Non)individuality.DécioKrause -forthcoming -Foundations of Science:1-25.detailsSome philosophers of physics have addressed criticisms of the so-called Received View (RV) of non-individual quantum objects, also called the orthodox view. Dennis Dieks made a very good resume of these criticisms in Dieks (in: Non-reflexive logics, non-individuals, and the philosophy of quantum mechanics: essays in honor of the philosophy of DécioKrause, Synthese Library, Springer, 2023) and Bigaj (Identity and indiscernibility in quantum mechanics. New directions in the philosophy of science, Palgrave Macmillan, 2022) has a more detailed account. (...) In considering (mainly) these works and with some additional mentions, I hope to dissipate some misunderstandings about the RV and clarify what is happening with such a view. According to Dieks, the RV doesn’t fit the practice of physics since, in some situations, the physicist assumes that quantum objects can be treated individually, imitating standard objects (individuals) of classical physics. Dieks also proposes an Alternative View (AV), generally called the heterodox view, which would give a view of the fundamental ontology of quantum physics and which would be more by the way physicists usually proceed. I think that the AV cannot be viewed as the fundamental ontological theory despite being suitable for practical purposes. Furthermore, I think that it does not conflate the RV but is complementary to it, substituting it when quantum objects are sufficiently apart and can be treated in conformity with the classical way. From my point of view, in the practice of physics, one can adopt AV. Still, the RV is more adequate when we are looking for logical and foundational analyses, at least when the supposed metaphysics comprises non-individuals. (shrink)
Subjectivity and Power.Jochen Dreher &Daniela Griselda López -2015 -Human Studies 38 (2):197-222.detailsThe statement that an important dualism runs throughout sociological literature belongs to what can be called extended “sociological common sense”. In this context, Alfred Schutz’s phenomenology is often used critically as a paradigmatic example of subjectivism, as it supposedly places exclusive emphasis on actors’ “subjective” interpretations, thereby neglecting “objective” social structures such as power relationships. This article proposes that not only do those characterizations have dualistic grounds, but they also disregard the explicit intention of phenomenology to overcome the dualism between (...) subjectivism and objectivism. The various criticisms directed at the Schutzian paradigm will be confronted with an analysis of the phenomenon of power based on Schutz’s theory of the life-world, in particular his theory of relevance. This theoretical perspective will be replenished by reflections on power as a meaning selection, which specifically allow the hiatus of subjectivism and objectivism to be overcome. (shrink)
COVID-19 Pandemic Worry and Vaccination Intention: The Mediating Role of the Health Belief Model Components.Claudia I. Iacob,Daniela Ionescu,Eugen Avram &Daniel Cojocaru -2021 -Frontiers in Psychology 12.detailsGiven the negative consequences of the ongoing COVID-19 pandemic on public health, his study aimed at investigating: the differences between adults with and without chronic illness in buying behavior, vaccination intention, pandemic worry, and the health belief model components; the HBM components as mediators of the relationship between pandemic worry and vaccination intention. The sample consisted of 864 adults, of which 20.5% reported having a chronic illness. Associations between pandemic worry, vaccination intention, and HBM were ascertained using correlation and mediation (...) analyses. Individuals with chronic illness reported a higher level of pandemic worry, higher levels of perceived threat, greater benefits from vaccination, had lower self-efficacy and bought more medicine and sanitary/hygienic products. No significant differences were observed regarding vaccination intention, barriers against vaccination, and changes in food buying behavior. We found that the relationship between pandemic worry and vaccination intention was partially mediated by the perceived threat of disease and the benefits of vaccination. Pandemic worry predicted vaccination intention directly but also through the contribution of the perceived threat of disease and the benefits of vaccination. These findings suggest that presenting evidence of COVID-19 vaccine efficacy and the benefits of having the vaccine will encourage the population to follow vaccination recommendations. (shrink)