We can have credences in an infinite number of propositions—that is, our opinion set can be infinite. Accuracy-first epistemologists have devoted themselves to evaluating credal states with the help of the concept of ‘accuracy’. Unfortunately, under several innocuous assumptions, infinite opinion sets yield several undesirable results, some of which are even fatal, to accuracy-first epistemology. Moreover, accuracy-first epistemologists cannot circumvent these difficulties in any standard way. In this regard, we will suggest a non-standard approach, called a relativistic approach, to accuracy-first (...) epistemology and show that such an approach can successfully circumvent undesirable results while having some advantages over the standard approach. (shrink)

How can different individuals' probability assignments to some events be aggregated into a collective probability assignment? Classic results on this problem assume that the set of relevant events -- the agenda -- is a sigma-algebra and is thus closed under disjunction (union) and conjunction (intersection). We drop this demanding assumption and explore probabilistic opinion pooling on general agendas. One might be interested in the probability of rain and that of an interest-rate increase, but not in the probability of rain or (...) an interest-rate increase. We characterize linear pooling and neutral pooling for general agendas, with classic results as special cases for agendas that are sigma-algebras. As an illustrative application, we also consider probabilistic preference aggregation. Finally, we compare our results with existing results on binary judgment aggregation and Arrovian preference aggregation. This paper is the first of two self-contained, but technically related companion papers inspired by binary judgment-aggregation theory. (shrink)

The appeal to expert opinion is an argument form that uses the verdict of an expert to support a position or hypothesis. A previous scheme-based treatment of the argument form is formalized within a Bayesian network that is able to capture the critical aspects of the argument form, including the central considerations of the expert's expertise and trustworthiness. We propose this as an appropriate normative framework for the argument form, enabling the development and testing of quantitative predictions as to how (...) people evaluate this argument, suggesting that such an approach might be beneficial to argumentation research generally. We subsequently present two experiments as an example of the potential for future research in this vein, demonstrating that participants' quantitative ratings of the convincingness of a proposition that has been supported with an appeal to expert opinion were broadly consistent with the predictions of the Bayesian model. (shrink)

The paper investigates various definitions of the concept of opinion as opposed to factual or evidence-based statements and proposes a taxonomy of opinions expressed in English as identified in selected social media. A discussion situates opinions in the realm of pragmatics and reaches to philosophy of language and cognitive science. The research methodology combines a thorough linguistic analysis of opinions, proposing their multifaceted taxonomy with the automatically generated lexical embeddings of positive and negative lexicon acquired from the analysed opinionated texts. (...) As proposed, the definition of the concept of opinion is best apprehended when looked upon in terms of an opinion event, with a number of necessary conditions on the one hand, and those that are characteristic of an explicit opinion prototype on the other. Lists of opinion discourse markers show their preferential uses either in positive or negative opinionated texts; however, no sets of necessary and/or sufficient opinion markers properties have been acquired from the analysed texts. The conclusions indicate a polysemous understanding of naturally occurring social media opinionated texts and a definitional flexibility of the boundaries around lexical positive and negative types of opinion markers. (shrink)

How David Hume and Adam Smith forged a new way of thinking about the modern state What is the modern state? Conspicuously undertheorized in recent political theory, this question persistently animated the best minds of the Enlightenment. Recovering David Hume and Adam Smith's long-underappreciated contributions to the history of political thought, The Opinion of Mankind considers how, following Thomas Hobbes's epochal intervention in the mid-seventeenth century, subsequent thinkers grappled with explaining how the state came into being, what it fundamentally might (...) be, and how it could claim rightful authority over those subject to its power. Hobbes has cast a long shadow over Western political thought, particularly regarding the theory of the state. This book shows how Hume and Smith, the two leading lights of the Scottish Enlightenment, forged an alternative way of thinking about the organization of modern politics. They did this in part by going back to the foundations: rejecting Hobbes's vision of human nature and his arguements about our capacity to form stable societies over time. In turn, this was harnessed to a deep reconceptualization of how to think philosophically about politics in a secular world. The result was an emphasis on the "opinion of mankind," the necessary psychological basis of all political organization. Demonstrating how Hume and Smith broke away from Hobbesian state theory, The Opinion of Mankind also suggests ways in which these thinkers might shape how we think about politics today, and in turn how we might construct better political theory. (shrink)

It is a consequence of the theory of imprecise credences that there exist situations in which rational agents inevitably become less opinionated toward some propositions as they gather more evidence. The fact that an agent's imprecise credal state can dilate in this way is often treated as a strike against the imprecise approach to inductive inference. Here, we show that dilation is not a mere artifact of this approach by demonstrating that opinion loss is countenanced as rational by a substantially (...) broader class of normative theories than has been previously recognised. Specifically, we show that dilation-like phenomena arise even when one abandons the basic assumption that agents have (precise or imprecise) credences of any kind, and follows directly from bedrock norms for rational comparative confidence judgements of the form `I am at least as confident in p as I am in q'. We then use the comparative confidence framework to develop a novel understanding of what exactly gives rise to dilation-like phenomena. By considering opinion loss in this more general setting, we are able to provide a novel assessment of the prospects for an account of inductive inference that is not saddled with the inevitability of rational opinion loss. (shrink)

Derek Parfit's monumental 1984 book Reasons and Persons contains a little appendix called "What Makes Someone's Life Go Best," a mini-essay on well-being that has taken on a life of its own apart from the body to which it is attached. This paper serves as a critical guide to that appendix. Topics include: the nature of pleasure and pain and its relation to theories of well-being; the unrestricted desire-fulfillment theory and the problem of remote desires; whether a person's actual preferences (...) should determine their counterfactual well-being; summative vs. global desire-fulfillment theories; the single-life repugnant conclusion; and objective vs. subjective vs. hybrid theories of well-being. Opinions being defended include: that Parfit's solution to the problem of remote desires fails; that his view on actual preferences and counterfactual well-being is right; that his arguments for global over summative desire-fulfilment theories fail; and that the single-life repugnant conclusion should be accepted. (shrink)

Democratic decision-making is often defended on grounds of the ‘wisdom of crowds’: decisions are more likely to be correct if they are based on many independent opinions, so a typical argument in social epistemology. But what does it mean to have independent opinions? Opinions can be probabilistically dependent even if individuals form their opinion in causal isolation from each other. We distinguish four probabilistic notions of opinion independence. Which of them holds depends on how individuals are causally affected by environmental (...) factors such as commonly perceived evidence. In a general theorem, we identify causal conditions guaranteeing each kind of opinion independence. These results have implications for whether and how ‘wisdom of crowds’ arguments are possible, and how truth-conducive institutions can be designed. (shrink)

Suppose several individuals (e.g., experts on a panel) each assign probabilities to some events. How can these individual probability assignments be aggregated into a single collective probability assignment? This article reviews several proposed solutions to this problem. We focus on three salient proposals: linear pooling (the weighted or unweighted linear averaging of probabilities), geometric pooling (the weighted or unweighted geometric averaging of probabilities), and multiplicative pooling (where probabilities are multiplied rather than averaged). We present axiomatic characterisations of each class of (...) pooling functions (most of them classic, but one new) and argue that linear pooling can be justified procedurally, but not epistemically, while the other two pooling methods can be justified epistemically. The choice between them, in turn, depends on whether the individuals' probability assignments are based on shared information or on private information. We conclude by mentioning a number of other pooling methods. (shrink)

How can different individuals' probability functions on a given sigma-algebra of events be aggregated into a collective probability function? Classic approaches to this problem often require 'event-wise independence': the collective probability for each event should depend only on the individuals' probabilities for that event. In practice, however, some events may be 'basic' and others 'derivative', so that it makes sense first to aggregate the probabilities for the former and then to let these constrain the probabilities for the latter. We formalize (...) this idea by introducing a 'premise-based' approach to probabilistic opinion pooling, and show that, under a variety of assumptions, it leads to linear or neutral opinion pooling on the 'premises'. This paper is the second of two self-contained, but technically related companion papers inspired by binary judgment-aggregation theory. (shrink)

Opinions are rarely binary; they can be held with different degrees of conviction, and this expanded attitude spectrum can affect the influence one opinion has on others. Our goal is to understand how different aspects of influence lead to recognizable spatio-temporal patterns of opinions and their strengths. To do this, we introduce a stochastic spatial agent-based model of opinion dynamics that includes a spectrum of opinion strengths and various possible rules for how the opinion strength of one individual affects the (...) influence that this individual has on others. Through simulations, we find that even a small amount of amplification of opinion strength through interaction with like-minded neighbors can tip the scales in favor of polarization and deadlock. (shrink)

How David Hume and Adam Smith forged a new way of thinking about the modern state What is the modern state? Conspicuously undertheorized in recent political theory, this question persistently animated the best minds of the Enlightenment. Recovering David Hume and Adam Smith's long-underappreciated contributions to the history of political thought, The Opinion of Mankind considers how, following Thomas Hobbes's epochal intervention in the mid-seventeenth century, subsequent thinkers grappled with explaining how the state came into being, what it fundamentally might (...) be, and how it could claim rightful authority over those subject to its power. Hobbes has cast a long shadow over Western political thought, particularly regarding the theory of the state. This book shows how Hume and Smith, the two leading lights of the Scottish Enlightenment, forged an alternative way of thinking about the organization of modern politics. They did this in part by going back to the foundations: rejecting Hobbes's vision of human nature and his arguements about our capacity to form stable societies over time. In turn, this was harnessed to a deep reconceptualization of how to think philosophically about politics in a secular world. The result was an emphasis on the "opinion of mankind," the necessary psychological basis of all political organization. Demonstrating how Hume and Smith broke away from Hobbesian state theory, The Opinion of Mankind also suggests ways in which these thinkers might shape how we think about politics today, and in turn how we might construct better political theory. (shrink)

Many of our most urgent contemporary issues-demagoguery, disinformation, white ethno-nationalism-compel us to take opinions seriously. And social media has taught us that everyone is entitled to their own opinion. But what constitutes an opinion, and how do those definitions change? In "Entitled Opinions: Doxa After Digitality," Caddie Alford has fashioned an expansive and affirmative theory of opinions for the age of social media. To address these issues, "Entitled Opinions" recuperates the ancient Greek term for opinion: doxa. While doxa is often (...) translated as "opinion" or "belief," the term originally harbored many other connotations, such as fame, reputation, and expectations. These shadings complicate simplistic notions of what opinions are and what they can do. Just as digitality has transformed what constitutes "truth," so too has social media transformed the very notion of opinions. In the context of social media, opinions are now seen as ill-informed preferences that divide people from one another. "Doxa" and its interpretive contexts help shed some of the baggage associated with opinions while signaling more useful lines of inquiry. Repurposing "doxa" recovers the nuance and rhetorical utility of opinions while attempting to make sense of how opinions are trafficked in social media. Commonplace imperatives such as "he tells it like it is" or newer, digital imperatives such as #BlackLivesMatter may seem straightforward on the surface, but haptics, emoji, and "like" buttons betray and lay bare collective assumptions about how opinions in the digital realm function. "Entitled Opinions" argues that because doxa are the virtual tickets to participation in online culture and politics more broadly, social media and opinion have become synonymous. Thus, it is all the more crucial that we scrutinize the interfaces, platforms, coding, syntax, and network architecture that determine how persuasion operates, how reputations sway, and what moments are deemed Instaworthy or worth remembering. In a world that says, "don't read the comments," this book reads the comments, so to speak, taking content that could be thrown away for any number of reasons and alchemizing judgments into implications. Each chapter in the book draws together key rhetorical concepts, current scholarship on opinions, and digital media entanglements. The first chapter lays out one of the book's more critical takeaways: while "opinion" gets reflexively figured in an opinion/fact binary, social media has shown that it is imperative to think and operate in terms of a spectrum of opinions, from reputable to less reputable. These gradations are multifaceted and susceptible to interventions-in the past, those interventions were experts; today, those interventions are algorithms. Each subsequent chapter illuminates opinions in terms of humanistic inquiries that speak to a diverse range of audiences: sociality; infrastructure; bodies; time; and, finally, invention. These chapters put opinions into conversation with algorithms, infrastructure, the rise of digital illiteracy, virality, and digital activism to highlight the digital constraints placed on opinions as well as the creative and evasive ways opinions exceed those constraints. Social media tricks us into thinking opinions are straightforward, isolating, and universal. "Entitled Opinions," however, suggests ways for social media users recuperate and reclaim the place of opinions in the digital sphere. (shrink)

In this paper, I reply to Seidel’s objections against my argument from expert performance to the effect that arguments from expert opinion are weak arguments. I clarify what Seidel takes to be unclear points in my argument and show that it withstands Seidel’s objections.

At the heart of Mizrahi’s project lies a sociological narrative concerning the recent history of philosophers’ negative attitudes towards scientism. Critics (e.g. de Ridder (2019), Wilson (2019) and Bryant (2020)), have detected various empirical inadequacies in Mizrahi’s methodology for discussing these attitudes. Bryant (2020) points out one of the main pertinent methodological deficiencies here, namely that the mere appearance of the word ‘scientism’ in a text does not suffice in determining whether the author feels threatened by it. Not all philosophers (...) use the term in ‘inherently negative’ (29) or pejorative ways. In this paper, I not only corroborate Bryant’s critical claim, but argue that Mizrahi’s response to this part of Bryant’s objection is inadequate. (shrink)

La democrazia vive dello scambio tra opinioni in un contesto di libertà e pluralismo. Quando però nel dibattito pubblico comincia a farsi strada l’idea che le opinioni possano prescindere dai più elementari dati di realtà e possano essere supportate da “verità alternative” prive di ogni riscontro fattuale, viene meno ogni denominatore comune a tutti i discorsi sociali. Come ha sottolineato Hannah Arendt, la libertà di opinione scade a mera illusione se non viene garantita l’informazione obiettiva e i fatti non (...) sono più alla base delle opinioni. Le verità fattuali rendono possibile la discussione politica proprio perché ricordano agli esseri umani che esiste un limite invalicabile alla discussione, quello costituito da evidenze che non è possibile sconfessare né respingere. Anche se le procedure della persuasione politica non si prestano ad alcuna forma di validazione cognitiva, ciò non impedisce ad Arendt di riconoscere la necessità di un orientamento “veritativo” anche rispetto a quanto accade nella vita politica. Parole chiave: Opinione, post-verità, democrazia, mondo comune, populismo. (shrink)

The Dutch law states that a physician may perform euthanasia according to a written advance euthanasia directive when a patient is incompetent as long as all legal criteria of due care are met. This may also hold for patients with advanced dementia. We investigated the differing opinions of physicians and members of the general public on the acceptability of euthanasia in patients with advanced dementia.

There are many reasons we might want to take the opinions of various individuals and pool them to give the opinions of the group they constitute. If all the individuals in the group have probabilistic opinions about the same propositions, there is a host of pooling functions we might deploy, such as linear or geometric pooling. However, there are also cases where different members of the group assign probabilities to different sets of propositions, which might overlap a lot, a little, (...) or not at all. There are far fewer proposals for how to proceed in these cases, and those there are have undesirable features. I begin by considering four proposals and arguing that they don't work. Then I'll describe my own proposal, which is intended to cover the situation in which we want to pool the individual opinions in order to ascribe an opinion to the group considered as an agent in its own right. (shrink)

_Objetivo:_ conocer las opiniones de los ancianos sobre la vacuna anti-covid y su posible rechazo. _Metodología:_ se trata de un estudio exploratorio y cualitativo, realizado en un pequeño municipio, en el extremo Norte de Mato Grosso, Brasil. La recolección de datos ocurrió en marzo de 2021, a través de una entrevista semiestructurada. Para el análisis de datos se utilizó el software ATLAS.ti®. _Resultados:_ la mayoría de los ancianos mostró aceptación y deseo de ser inmunizados, pero aquellos con baja escolaridad mostraron (...) mayor rechazo a la vacuna, lo que fue percibido por los demás ancianos como una irresponsabilidad. Los participantes mencionan que toda persona tiene derecho a elegir. _Conclusiones:_ aunque los ancianos tenían una opinión positiva sobre la vacuna, se deben intensificar las acciones educativas, especialmente entre aquellos con baja escolaridad, para que la conducta de rechazo, si prevalece incluso después de diálogos y aclaraciones, no influya a terceros y ponga en peligro la salud de la comunidad. (shrink)

The question of how the probabilistic opinions of different individuals should be aggregated to form a group opinion is controversial. But one assumption seems to be pretty much common ground: for a group of Bayesians, the representation of group opinion should itself be a unique probability distribution, 410–414, [45]; Bordley Management Science, 28, 1137–1148, [5]; Genest et al. The Annals of Statistics, 487–501, [21]; Genest and Zidek Statistical Science, 114–135, [23]; Mongin Journal of Economic Theory, 66, 313–351, [46]; Clemen and (...) Winkler Risk Analysis, 19, 187–203, [7]; Dietrich and List [14]; Herzberg Theory and Decision, 1–19, [28]). We argue that this assumption is not always in order. We show how to extend the canonical mathematical framework for pooling to cover pooling with imprecise probabilities by employing set-valued pooling functions and generalizing common pooling axioms accordingly. As a proof of concept, we then show that one IP construction satisfies a number of central pooling axioms that are not jointly satisfied by any of the standard pooling recipes on pain of triviality. Following Levi, 3–11, [39]), we also argue that IP models admit of a much better philosophical motivation as a model of rational consensus. (shrink)

A portrait of scholastic approaches to a qualified disagreement of opinions, focusing on the antagonism of scholastic probabilism and anti-probabilism in the early modern era.

In times of populist mistrust towards experts, it is important and the aim of the paper to ascertain the rationality of arguments from expert opinion and to reconstruct their rational foundations as well as to determine their limits. The foundational approach chosen is probabilistic. However, there are at least three correct probabilistic reconstructions of such argumentations: statistical inferences, Bayesian updating, and interpretive arguments. To solve this competition problem, the paper proposes a recourse to the arguments' justification strengths achievable in the (...) respective situation. (shrink)

We study the phenomenon of merging of opinions for computationally limited Bayesian agents from the perspective of algorithmic randomness. When they agree on which data streams are algorithmically random, two Bayesian agents beginning the learning process with different priors may be seen as having compatible beliefs about the global uniformity of nature. This is because the algorithmically random data streams are of necessity globally regular: they are precisely the sequences that satisfy certain important statistical laws. By virtue of agreeing on (...) what data streams are algorithmically random, two Bayesian agents can thus be taken to concur on what global regularities they expect to see in the data. We show that this type of compatibility between priors suffices to ensure that two computable Bayesian agents will reach inter-subjective agreement with increasing information. In other words, it guarantees that their respective probability assignments will almost surely become arbitrarily close to each other as the number of observations increases. Thus, when shared by computable Bayesian learners with different subjective priors, the beliefs about uniformity captured by algorithmic randomness provably lead to merging of opinions. (shrink)

The pharmaceutical industry, in its marketing efforts, often turns to “key opinion leaders” or “KOLs” to disseminate scientific information. Drawing on the author's fieldwork, this article documents and examines the use of KOLs in pharmaceutical companies’ marketing efforts. Partly due to the use of KOLs, a small number of companies with well-defined and narrow interests have inordinate influence over how medical knowledge is produced, circulated, and consumed. The issue here, as in many other cases of institutional corruption, is that a (...) few actors have accumulated the power to shape the information on which many others base their decisions. Efforts to address this corruption should focus on correcting large imbalances in the current political economy of medical knowledge. A sequestration of pharmaceutical research and development on one hand from pharmaceutical marketing on the other, though difficult to achieve, would address this and many other problems. (shrink)

It is often suggested that when opinions differ among individuals in a group, the opinions should be aggregated to form a compromise. This paper compares two approaches to aggregating opinions, linear pooling and what I call opinion agglomeration. In evaluating both strategies, I propose a pragmatic criterion, No Regrets, entailing that an aggregation strategy should prevent groups from buying and selling bets on events at prices regretted by their members. I show that only opinion agglomeration is able to satisfy the (...) demand. I then proceed to give normative and empirical arguments in support of the pragmatic criterion for opinion aggregation, and that ultimately favor opinion agglomeration. (shrink)

Members of research ethics committees (RECs) face a number of ethical challenges when reviewing genomic research. These include issues regarding the content and type of consent, the return of individual research results, mechanisms of sharing specimens and health data, and appropriate community engagement efforts. This article presents the findings from a survey that sought to investigate the opinions and attitudes of REC members from four Arab countries in the Middle East and North Africa (Egypt, Morocco, Sudan, and Jordan) toward these (...) ethical issues. Our findings suggest that efforts are required to better familiarize REC members with the requirements for ethical biobank research. Additionally, we recommend that further research is undertaken with REC members regarding the main items that should be present in the Material Transfer Agreements /Data Transfer Agreements in their corresponding countries and the type of consent that should be used in genomic research. (shrink)

We present a short introduction to, and the first English language translation of, Theodor W. Adorno's 1964 article, "Meinungsforschung und Öffentlichkeit." In this article, Adorno situates the misunderstanding of public opinion within a dialectic of elements of publicness itself: empirical publicness' dependence on a normative ideology of publicness, and modern publicness' tendency to undermine its own principles. He also locates it in the dual role of mass media as both fora for the expression of opinion and, as he calls them, (...) "organs of public opinion." The introduction provides a discussion of Adorno's reception in the American academy, arguing that contemporary sociological practice should be concerned with the problems Adorno raises. We suggest that Adorno's relegation to the fields of philosophy and aesthetics belies his relevance to empirical sociological research. (shrink)

In the context of the Cold War, opinion polling as a method of observation stood for the shift from confrontation and clandestine preparations for a hot or cold civil war towards a competition between systems in the fields of political and cultural attractiveness and economic capabilities. Based on the cases of the West German polling institute Infratest and the East German Institute for Opinion Polling of the Socialist Unity Party, the article highlights the shifts in the external observation and internal (...) self-observation of socialist society with respect to the change in epistemological approaches, research topics, patterns of construction of societal structures and the confluence between political expectations, professional self-understandings and impact on policy-making processes. (shrink)

Intercultural education is an education of interpersonal relationships, which involves members of different cultures, whose fundamental objective is to increase the effectiveness of intercultural relations, to increase the degree of openness, tolerance, acceptance of others. The integration of intercultural education in the school space is a complex and not at all easy process, which requires specific skills and approaches from teachers. Pupils, from the earliest ages, namely, primary schools, should be able to appreciate the richness of a diverse range of (...) cultures and be helped in practical ways to recognize and challenge stereotypes. Wherever prejudice and discrimination exist, they must be addressed. The following article, presents brief research on the opinions and experience of Preschool and primary school students from Aurel Vlaicu University of Arad, regarding the values of intercultural education teaching and practice within primary schools, in the Romanian school curriculum, in order to integrate the pupil in the society of the future. They have shared their thoughts regarding the preparation level that they get in the study years at the above-mentioned specialty, through data collected within several sessions of focus groups. (shrink)

Examines opinions of ordinary people in regard to political obligations through small focus groups. Under certain circumstances, the views of ordinary people can lend support to the particular theories to which they subscribe and increase burdens of justification for proponents of alternative theories. Responses of participants in ten focus groups indicate strong consensus on basic points. Participants strongly believe they have political obligations, although they make exceptions for particular laws, which seem to them to serve no real social purpose. They (...) ground their obligations on benefits provided by the state, and strongly connect up their own requirements to obey the law with requirements that all other people behave similarly. The moral principle that appears to coincide most closely with their views is a variant of the principle of fairness. (shrink)

Auguste Comte accorde à l’opinion publique une place centrale dans sa sociologie et, par voie de conséquence, dans la politique qu’il en déduit. Cet intérêt le distingue dans son temps comme dans la tradition sociologique. La singularité d’Auguste Comte s’affirme surtout dans l’analyse qu’il fait de l’opinion publique, lui attribuant le statut de force sociale par excellence, jouant d’abord un rôle majeur, au cours de la phase intermédiaire, dans la résistance de la société aux forces de dispersion, puis, à l’âge (...) positif, un rôle de gouvernement des affections bienveillantes et du lien social. C’est l’opinion publique organique. La tâche de défendre la société assignée par Auguste Comte à la philosophie positive, place ainsi la sociologie dans une relation symbiotique avec l’opinion publique.Auguste Comte puts public opinion at the heart of sociology and, as a consequence, the politics that flows from it. This sets Comte apart from his contemporaries and from mainstream sociology. Auguste Comte’s singularity can be seen above all in his analysis of public opinion. Comte sees public opinion as a social force par excellence, playing a major role first of all in the intermediate phase, as society resists dispersion forces, then, in the positive age, a governing role over benevolent affection and social networks. It is organic public opinion. The job of defending society assigned by Comte to positive philosophy means that there is a symbiotic relationship between sociology and public opinion. (shrink)

Spatially situated opinions that can be held with different degrees of conviction lead to spatiotemporal patterns such as clustering (homophily), polarization, and deadlock. Our goal is to understand how sensitive these patterns are to changes in the local nature of interactions. We introduce two different mixing mechanisms, spatial relocation and nonlocal interaction (“telephoning”), to an earlier fully spatial model (no mixing). Interestingly, the mechanisms that create deadlock in the fully spatial model have the opposite effect when there is a sufficient (...) amount of mixing. With telephoning, not only is polarization and deadlock broken up, but consensus is hastened. The effects of mixing by relocation are even more pronounced. Further insight into these dynamics is obtained for selected parameter regimes via comparison to the mean-field differential equations. (shrink)

Current fears of a “reproducibility crisis” have led researchers, sources of scientific funding, and the public to question both the efficacy and trustworthiness of science. Suggested policy changes have been focused on statistical problems, such as p-hacking, and issues of experimental design and execution. However, “reproducibility” is a broad concept that includes a number of issues. Furthermore, reproducibility failures occur even in fields such as mathematics or computer science that do not have statistical problems or issues with experimental design. Most (...) importantly, these proposed policy changes ignore a core feature of the process of scientific inquiry that occurs after reproducibility failures: the integration of conflicting observations and ideas into a coherent theory. (shrink)

Kant identifies knowledge [Wissen], belief [Glaube], and opinion [Meinung] as our three primary modes of “holding-to-be-true” [Fürwahrhalten]. He also identifies opinion as making up the greatest part of our cognition. After a preliminary sketch of Kant’s system of propositional attitudes, this paper will explore what he says about the norms governing opinion and empirical hypotheses. The final section will turn to what, in the Critique of Pure Reason and elsewhere, Kant refers to as “General Applied Logic”. It concerns the “contingent (...) conditions of the subject, which can hinder or promote” good inquiry; and, though rarely mentioned in the secondary literature, it offers Kant’s methodological alternative to the traditional epistemological goal of finding “a sufficient and at the same time general criterion of truth”. (shrink)

Social media chat groups, such as WeChat and WhatsApp groups, are widely applied in online communication. This research has conducted two studies to examine the individual level and collective level’s opinion dynamics in those groups. The opinion dynamic is driven by two variables, people’s perceived peer support and willingness of opinion expression. The perceived peer support influences the willingness of opinion expression, and the willingness influences the dynamics of real opinion-expression. First, the quasi-experimental study recruited twenty-five participants as the observation (...) group and found that decreasing perceived peer support would significantly increase individuals’ expression willingness to protect his/her opinion. To generalize the individual level findings to a collective level, the second study treated the social media chat groups as an undirected fully-connected social network and simulated people’s opinion expression dynamics with an agent-based model. The simulation indicated that with the help of increased willingness of opinion expression, the minority opinion supporters as a collective did not fall silent but continue to express themselves and increasing willingness of opinion expression would maintain the existence of minority opinion but could not help the minority reverse to the majority. (shrink)

Background Pediatric critical care physician attitudes about withdrawal of ventricular assist devices and extracorporeal membrane oxygenation in cases of medical futility are poorly defined. Our aim was to define current attitudes regarding the withdrawal of these devices. Methods IRB-approved, cross-sectional observational survey conducted among pediatric critical care attending physicians and fellow physicians in the United States between 2016 and 2017. Data was collected anonymously and statistically analyzed. Results A total of 158 physicians responded with 67% being attending physicians. Compared to (...) a VAD, a higher percentage had taken care of a patient on ECMO where the device was turned off because care was believed to be futile, including currently. Nearly all reported that it can be ethically permissible to withdraw support from a patient with a VAD and on ECMO, but varied opinions existed as to who should ultimately make this decision if the patient/their family disagrees. More respondents agreed that a patient/their family should agree to withdrawal of VAD or ECMO support prior to initiation if futility is later determined and that protocols should be created for VAD and ECMO withdrawal. Conclusion Most pediatric critical care physicians felt that it can be ethically permissible to withdraw VAD and ECMO support. Our study indicates that pediatric VAD and ECMO withdrawal protocols are desired, but further investigation is needed to determine how to best design protocols that would incorporate multiple stakeholders. (shrink)

This study aims to determine the opinions of teachers of Religious Culture and Ethics Course (DKAB) about subject-based classroom application in-depth. The research has been carried from qualitative research methods with a case study design. In order to determine the working group of the study, criteria sampling was used in the first stage, and the maximum diversity sampling method was used in the next step. The sample of this research consists of 8 DKAB teachers working in Ankara province. A semi-structured (...) interview form has been used as a data collection tool in the study. The data of the qualitative of this research has been analyzed with both descriptive and content analysis by NVivo 10 program. In order to ensure validity and reliability in the study, credibility, transferability, consistency, and verifiability strategies have been used. When the research data were analyzed, four themes were formed: positive opinions about the application, negative opinions and problems related to the application, contribution of the practice to religious education and training, and recommendations about the application. DKAB teachers find the application more positive than the classroom system. It has been found that the practice of subject-based classrooms is a motivational tool for Primary School students, while it causes some problems for lower secondary school and upper secondary school students.Summary: Learning environments are among the key elements in the acquisition of 21st-century skills. Classrooms are also a part of the learning environment. Classes are the learning environment in which teachers and students spend most of their education and training process. In this context, subject-based classroom application is one of the preferred methods in the arrangement of classrooms.Subject-based classroom application means that the teachers have a special classroom related to their branches in the school building, and students attend the teacher's classroom according to the syllabus. In this practice, the teacher can decorate walls, floor, ceiling, column, and beam of the classroom with students’ study materials such as banner, poster, painting, cartoon to make the course more effective and efficient and to create a psychological atmosphere called classroom atmosphere-air.This application aims to activate the student by enriching the classroom and make learning effective and efficient. The classroom equipped with appropriate equipment and materials provides a favorable environment for the implementation of effective teaching strategies. The application can create “class/classroom culture” by using ordinary meanings and symbols related to the course. It provides students the opportunity to exhibit their products and contributes to students' self-regulation skills development. Besides, real-life practices or practices close to reality can be brought into the classroom. As a result, permanent learning can be realized with the possibility of creating a shared living space and the number of sensory organs participating in learning.This current study aims to address in-depth information about the opinions of Religious Culture and Moral Ethics (DKAB) teachers in primary, secondary, and high schools regarding the subject-based classroom application. When the studies in the literature are examined, it is seen that the studies related to the subject-based classroom application have increased since 2010. However, it is clear that this research is directed towards social studies, geography, science, and mathematics courses and is based on the opinions of students, teachers, and administrators at the secondary school level. In the context of DKAB course, there has been no research including the views of teachers, students, or school administrators regarding the application of subject-based classrooms. This study is carried out revealing perspectives of DKAB teachers by examining their opinions on the subject-based classroom application and contribute to the field. The research was conducted with a case study design from the qualitative research methods. The participants consist of 8 DKAB teachers working in Ankara province. A mixed purposive sampling method was used to determine the study group. In the first stage, the teachers implementing the DKAB classrooms application were taken as criteria. In the next step, the study group was determined within the framework of the maximum diversity sampling method by considering the variables such as school level, gender, age, education level, duration of teachers' work. The data were collected through a semi-structured interview form with expert opinion. In the form, there are nine main questions and probe questions, which include questions related to subject-based classrooms application, the contribution of the application to religious education and training, the contribution of teachers to professional and personal development, the effect of teachers' belonging to the school, the effectiveness, and improvement of the application. Permission has been obtained from the Ankara Provincial Directorate of National Education and participants via consent form for the interview. The interviews were recorded in audio, 169.58-minute audio recording transcripts, and 52-page interview data obtained. The qualitative data of this research has been analyzed with both descriptive and content analysis by NVivo 10 program. In order to ensure validity and reliability in the study, credibility, transferability, consistency, and verifiability strategies have been used.When the data of the research were analyzed, the opinions of DKAB teachers about the subject-based classrooms application categorized under four themes; positive and negative opinions/problems about the practice, the contribution of the practice to religious education and teaching and practical suggestions. Under the theme of positive opinions on the application, positive aspects for the teacher, student, parents, and comparison with the classroom system were formed. According to the participants, the practice of DKAB classroom is a “facilitation” element for the teacher because of the factors such as the teacher not moving around the classroom, not carrying material, having freedom to organize the classroom, and material regularity. In this application, since the teacher has a class of his own, the teacher adopts and owns the classroom and the sense of belonging to school increases. This sense of belonging is felt so strongly that there is even a participant who plans to retire if the application is abandoned. The positive aspects of the application for the students are that; a classroom is a motivating tool, the boards and walls can be used, and the student has the opportunity to exhibit their activities. When compared with the classroom system, it was stated that as a result of the branch classroom practice, the school equipment could be better protected, class order and cleaning easier, and the success of the students would be increased.The negative views of the participants on the application were grouped under the categories of students, teachers, and parents. Not having a fixed class of their own, continually relocating and losing time in recess, staying in the classroom door when the classroom is locked, not adopting the classroom and lack of lockers constitute the negative aspects of the application for the students. The overuse of classrooms, less use of teachers' rooms, lack of communication between colleagues are the negative aspects of the application for the teachers. It was stated by (75%) most of the participants that branch classroom application contributed to the continual learning of students in religious education and teaching. To make the application more functional, DKAB teachers have proposed arrangements such as improving physical infrastructure, enriching teaching materials, and arranging school syllabus and keeping classrooms open. As a result, teachers find the application more positive than the classroom system. While it is a motivation tool for primary school students, it causes some problems for secondary and high school students, such as carrying bags, staying at the door, and wasting time. In this sense, the application is recommended to be applied in primary schools that have a sufficient number of classrooms. Also, the system should be applied in secondary and high schools where the number of students is low, or the number of classrooms is sufficiently provided that the problems experienced by the students are eliminated. School administrations and teachers need to take necessary measures to make the application effective and efficient. (shrink)

Paul Sagar's The Opinion of Mankind serves as an excellent synthesis of the topics of sociability and sovereignty in the history of modern political thought. The main thrust of the book is to marshal David Hume's and Adam Smith's resources as first-rate philosophers on behalf of a first-rate political theory. According to Sagar, Hume's and Smith's rich accounts of human sociability, sentiment, and historical contingency provide the foundations for what Sagar calls "the state without sovereignty". By this, he means that (...) neither Hume nor Smith treat sovereignty as an a priori condition for state formation. Instead, Hume and Smith acknowledge states as modern political entities that manage themselves... (shrink)

Using a recent example from US politics as representative of contemporary liberal democracies, this chapter highlights how public opinion is shaped through the exploitation of our epistemic interdependence and partisan bias. Climate change was an important issue leading into the 2010 US mid-term elections. Public opinion on climate change was subject to a number of willfully disseminated distorting influences, having a significant impact on the election’s outcome and subsequent political discourse surrounding climate change policies. One impact of this type of (...) exploitation is that it has epistemically compromising effects on the electorate, which in turn undermines democratic legitimacy. In the interest of defending democratic legitimacy, this chapter suggests we re-evaluate and update those liberal institutions necessary for informed public opinion surrounding our current political epistemic needs. (shrink)

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