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  1. Wisdom of Crowds, Wisdom of the Few: Expertise Versus Diversity Across Epistemic Landscapes.Patrick Grim, Daniel J. Singer, Aaron Bramson, Bennett Holman, Sean McGeehan & William J. Berger -
    In a series of formal studies and less formal applications, Hong and Page offer a ‘diversity trumps ability’ result on the basis of a computational experiment accompanied by a mathematical theorem as explanatory background (Hong & Page 2004, 2009; Page 2007, 2011). “[W]e find that a random collection of agents drawn from a large set of limited-ability agents typically outperforms a collection of the very best agents from that same set” (2004, p. 16386). The result has been extremely influential as (...)
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  2. Don't Forget Forgetting: The Social Epistemic Importance of How We Forget.Daniel J. Singer, Aaron Bramson, Patrick Grim, Bennett Holman, Karen Kovaka, Jiin Jung & William Berger - forthcoming - Synthese.
    We motivate a picture of social epistemology that sees forgetting as subject to epistemic evaluation. Using computer simulations of a simple agent-based model, we show that how agents forget can have as large an impact on group epistemic outcomes as how they share information. But, how we forget, unlike how we form beliefs, isn’t typically taken to be the sort of thing that can be epistemically rational or justified. We consider what we take to be the most promising argument for (...)
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  3. Modeling Interaction Effects in Polarization: Individual Media Influence and the Impact of Town Meetings.Patrick Grim, Eric Pulick, Patrick Korth & Jiin Jung - 2016 - Journal of Artificial Societies and Social Simulation 10 (2).
    We are increasingly exposed to polarized media sources, with clear evidence that individuals choose those sources closest to their existing views. We also have a tradition of open face-to-face group discussion in town meetings, for example. There are a range of current proposals to revive the role of group meetings in democratic decision-making. Here, we build a simulation that instantiates aspects of reinforcement theory in a model of competing social influences. What can we expect in the interaction of polarized media (...)
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  4. Germs, Genes, and Memes: Functional and Fitness Dynamics on Information Networks.Patrick Grim, Daniel J. Singer, Christopher Reade & Stephen Fisher - 2015 - Philosophy of Science 82:219-243.
    It is widely accepted that the way information transfers across networks depends importantly on the structure of the network. Here, we show that the mechanism of information transfer is crucial: in many respects the effect of the specific transfer mechanism swamps network effects. Results are demonstrated in terms of three different types of transfer mechanism: germs, genes, and memes. With an emphasis on the specific case of transfer between sub-networks, we explore both the dynamics of each of these across networks (...)
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  5. Polarization and Belief Dynamics in the Black and White Communities: An Agent-Based Network Model From the Data.Patrick Grim, Stephen B. Thomas, Stephen Fisher, Christopher Reade, Daniel J. Singer, Mary A. Garza, Craig S. Fryer & Jamie Chatman - 2012 - In Christoph Adami, David M. Bryson, Charles Offria & Robert T. Pennock (eds.), Artificial Life 13. MIT Press.
    Public health care interventions—regarding vaccination, obesity, and HIV, for example—standardly take the form of information dissemination across a community. But information networks can vary importantly between different ethnic communities, as can levels of trust in information from different sources. We use data from the Greater Pittsburgh Random Household Health Survey to construct models of information networks for White and Black communities--models which reflect the degree of information contact between individuals, with degrees of trust in information from various sources correlated with (...)
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  6. Dynamically Rational Judgment Aggregation.Franz Dietrich & Christian List - 2021
    Judgment-aggregation theory has always focused on the attainment of rational collective judgments. But so far, rationality has been understood in static terms: as “coherence” of judgments at a given time, understood as consistency, completeness, and/or deductive closure. By contrast, this paper discusses whether collective judgments can be dynamically rational, so that they change rationally in response to new information. Formally, a judgment aggregation rule is dynamically rational with respect to a given revision operator if, whenever all individuals revise their judgments (...)
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  7. Diversity, Trust and Conformity: A Simulation Study.Sina Fazelpour & Daniel Steel - forthcoming - Philosophy of Science.
    Previous simulation models have found positive effects of cognitive diversity on group performance, but have not explored effects of diversity in demographics (e.g., gender, ethnicity). In this paper, we present an agent-based model that captures two empirically supported hypotheses about how demographic diversity can improve group performance. The results of our simulations suggest that, even when social identities are not associated with distinctive task-related cognitive resources, demographic diversity can, in certain circumstances, benefit collective performance by counteracting two types of conformity (...)
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  8. The Diversity-Ability Trade-Off in Scientific Problem Solving.Samuli Reijula & Jaakko Kuorikoski - forthcoming - Philosophy of Science (Supplement).
    According to the diversity-beats-ability theorem, groups of diverse problem solvers can outperform groups of high-ability problem solvers. We argue that the model introduced by Lu Hong and Scott Page is inadequate for exploring the trade-off between diversity and ability. This is because the model employs an impoverished implementation of the problem-solving task. We present a new version of the model which captures the role of ‘ability’ in a meaningful way, and use it to explore the trade-offs between diversity and ability (...)
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  9. Optimization of Scientific Reasoning: A Data-Driven Approach.Vlasta Sikimić - 2019 - Dissertation,
    Scientific reasoning represents complex argumentation patterns that eventually lead to scientific discoveries. Social epistemology of science provides a perspective on the scientific community as a whole and on its collective knowledge acquisition. Different techniques have been employed with the goal of maximization of scientific knowledge on the group level. These techniques include formal models and computer simulations of scientific reasoning and interaction. Still, these models have tested mainly abstract hypothetical scenarios. The present thesis instead presents data-driven approaches in social epistemology (...)
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  10. Privilege and Position: Formal Tools for Standpoint Epistemology.Catharine Saint-Croix - 2020 - Res Philosophica 97 (4):489-524.
    How does being a woman affect one’s epistemic life? What about being Black? Or queer? Standpoint theorists argue that such social positions can give rise to otherwise unavailable epistemic privilege. “Epistemic privilege” is a murky concept, however. Critics of standpoint theory argue that the view is offered without a clear explanation of how standpoints confer their benefits, what those benefits are, or why social positions are particularly apt to produce them. For this reason, many regard standpoint theory as being out (...)
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  11. Reconsidering the Rule of Consideration: Probabilistic Knowledge and Legal Proof.Tim Smartt - forthcoming - Episteme:1-16.
    In this paper, I provide an argument for rejecting Sarah Moss's recent account of legal proof. Moss's account is attractive in a number of ways. It provides a new version of a knowledge-based theory of legal proof that elegantly resolves a number of puzzles about mere statistical evidence in the law. Moreover, the account promises to have attractive implications for social and moral philosophy, in particular about the impermissibility of racial profiling and other harmful kinds of statistical generalisation. In this (...)
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  12. Using Simulation in the Assessment of Voting Procedures: An Epistemic Instrumental Approach.Marc Jiménez Rolland, Julio César Macías-Ponce & Luis Fernando Martínez-Álvarez - forthcoming - Simulation: Transactions of the Society for Modeling and Simulation International:1-8.
    In this paper, we argue that computer simulations can provide valuable insights into the performance of voting methods on different collective decision problems. This could improve institutional design, even when there is no general theoretical result to support the optimality of a voting method. To support our claim, we first describe a decision problem that has not received much theoretical attention in the literature. We outline different voting methods to address that collective decision problem. Under certain criteria of assessment akin (...)
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  13. Group Knowledge, Questions, and the Division of Epistemic Labour.Joshua Habgood-Coote - 2019 - Ergo: An Open Access Journal of Philosophy 6 (33 2019-20).
    Discussions of group knowledge typically focus on whether a group’s knowledge that p reduces to group members’ knowledge that p. Drawing on the cumulative reading of collective knowledge ascriptions and considerations about the importance of the division of epistemic labour, I argue what I call the Fragmented Knowledge account, which allows for more complex relations between individual and collective knowledge. According to this account, a group can know an answer to a question in virtue of members of the group knowing (...)
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  14. Group Inquiry.Joshua Habgood-Coote - forthcoming - Erkenntnis.
    Group agents can act, they can have knowledge. How should we understand the species of collective action which aims at knowledge? In this paper, I present an account of group inquiry. This account faces two challenges: making sense of how large-scale distributed activities might be a kind of group action, and understanding the division of labour involved in group inquiry. In the first part of the paper, I argue that existing accounts of group action face problems dealing with large-scale group (...)
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  15. An Argumentative Agent-Based Model of Scientific Inquiry.AnneMarie Borg, Daniel Frey, Dunja Šešelja & Christian Straßer - 2017 - In Salem Benferhat, Karim Tabia & Moonis Ali (eds.), Advances in Artificial Intelligence: From Theory to Practice: 30th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, Iea/Aie 2017, Arras, France, June 27-30, 2017, Proceedings, Part I. Springer Verlag. pp. 507--510.
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  16. Being Rational and Being Wrong.Kevin Dorst - manuscript
    Do people tend to be overconfident in their opinions? Many think so. They’ve run studies to test whether people are calibrated: whether their confidence in their opinions matches the proportion of those opinions that are true. Under certain conditions, people are systematically “over-calibrated”—for example, of the opinions they’re 80% confident in, only 60% are true. From this observed over-calibration, it’s inferred that people are irrationally overconfident. My question: When—and why—is this inference warranted? Answering this question requires articulating a general connection (...)
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  17. On the Emergence of Minority Disadvantage: Testing the Cultural Red King Hypothesis.Aydin Mohseni, Cailin O'Connor & Hannah Rubin - forthcoming - Synthese.
    The study of social justice asks: what sorts of social arrangements are equitable ones? But also: how do we derive the inequitable arrangements we often observe in human societies? In particular, in spite of explicitly stated equity norms, categorical inequity tends to be the rule rather than the excep- tion. The cultural Red King hypothesis predicts that differentials in group size may lead to inequitable outcomes for minority groups even in the absence of explicit or implicit bias. We test this (...)
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  18. Rational Social and Political Polarization.Daniel J. Singer, Aaron Bramson, Patrick Grim, Bennett Holman, Jiin Jung, Karen Kovaka, Anika Ranginani & William J. Berger - 2019 - Philosophical Studies 176 (9):2243-2267.
    Public discussions of political and social issues are often characterized by deep and persistent polarization. In social psychology, it’s standard to treat belief polarization as the product of epistemic irrationality. In contrast, we argue that the persistent disagreement that grounds political and social polarization can be produced by epistemically rational agents, when those agents have limited cognitive resources. Using an agent-based model of group deliberation, we show that groups of deliberating agents using coherence-based strategies for managing their limited resources tend (...)
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  19. Theory-Choice, Transient Diversity and the Efficiency of Scientific Inquiry.AnneMarie Borg, Daniel Frey, Dunja Šešelja & Christian Straßer - 2019 - European Journal for Philosophy of Science 9 (2):26.
    Recent studies of scientific interaction based on agent-based models suggest that a crucial factor conducive to efficient inquiry is what Zollman has dubbed ‘transient diversity’. It signifies a process in which a community engages in parallel exploration of rivaling theories lasting sufficiently long for the community to identify the best theory and to converge on it. But what exactly generates transient diversity? And is transient diversity a decisive factor when it comes to the efficiency of inquiry? In this paper we (...)
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  20. Epistemic Pluralism.Fabien Schang - 2017 - Logique Et Analyse 239 (60):337-353.
    The present paper wants to promote epistemic pluralism as an alternative view of non-classical logics. For this purpose, a bilateralist logic of acceptance and rejection is developed in order to make an important di erence between several concepts of epistemology, including information and justi cation. Moreover, the notion of disagreement corresponds to a set of epistemic oppositions between agents. The result is a non-standard theory of opposition for many-valued logics, rendering total and partial disagreement in terms of epistemic negation and (...)
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  21. Modeling Epistemic Communities.Samuli Reijula & Jaakko Kuorikoski - forthcoming - In Miranda Fricker, Peter J. Graham, David Henderson & Nikolaj Jang Lee Linding Pedersen (eds.), The Routledge Handbook of Social Epistemology. Routledge.
    We review the most prominent modeling approaches in social epistemology aimed at understand- ing the functioning of epistemic communities and provide a philosophy of science perspective on the use and interpretation of such simple toy models, thereby suggesting how they could be integrated with conceptual and empirical work. We highlight the need for better integration of such models with relevant findings from disciplines such as social psychology and organization studies.
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  22. Belief Dependence: How Do the Numbers Count?Zach Barnett - 2019 - Philosophical Studies 176 (2):297-319.
    This paper is about how to aggregate outside opinion. If two experts are on one side of an issue, while three experts are on the other side, what should a non-expert believe? Certainly, the non-expert should take into account more than just the numbers. But which other factors are relevant, and why? According to the view developed here, one important factor is whether the experts should have been expected, in advance, to reach the same conclusion. When the agreement of two (...)
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  23. Legal Burdens of Proof and Statistical Evidence.Georgi Gardiner - forthcoming - In James Chase & David Coady (eds.), The Routledge Handbook of Applied Epistemology. Routledge.
    In order to perform certain actions – such as incarcerating a person or revoking parental rights – the state must establish certain facts to a particular standard of proof. These standards – such as preponderance of evidence and beyond reasonable doubt – are often interpreted as likelihoods or epistemic confidences. Many theorists construe them numerically; beyond reasonable doubt, for example, is often construed as 90 to 95% confidence in the guilt of the defendant. -/- A family of influential cases suggests (...)
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  24. Lying, Risk and Accuracy.Sam Fox Krauss - 2017 - Analysis 77 (4):726-734.
    Almost all philosophers agree that a necessary condition on lying is that one says what one believes to be false. But, philosophers haven’t considered the possibility that the true requirement on lying concerns, rather, one’s degree-of-belief. Liars impose a risk on their audience. The greater the liar’s confidence that what she asserts is false, the greater the risk she’ll think she’s imposing on the dupe, and, therefore, the greater her blameworthiness. From this, I arrive at a dilemma: either the belief (...)
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  25. Up and Down with Aggregation.Bradford Hooker - unknown
  26. Ethotic Arguments and Fallacies: The Credibility Function in Multi-Agent Dialogue Systems.Douglas N. Walton - 1999 - Pragmatics and Cognition 7 (1):177-203.
    In this paper, it is shown how formal dialectic can be extended to model multi-agent argumentation in which each participant is an agent. An agent is viewed as a participant in a dialogue who not only has goals, and the capability for actions, but who also has stable characteristics of types that can be relevant to an assessment of some of her arguments used in that dialogue. When agents engage in argumentation in dialogues, each agent has a credibility function that (...)
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  27. Realistic Opinion Aggregation: Lehrer-Wagner with a Finite Set of Opinion Values.R. Bradley & C. Wagner - 2012 - Episteme 9 (2):91-99.
    An allocation problem is a type of aggregation problem in which the values of individuals' opinions on some set of variables sum to a constant. This paper shows that for realistic allocation problems, namely ones in which the set of possible opinion values is finite, the only universal aggregation methods that satisfy two commonly invoked conditions are the dictatorial ones. The two conditions are, first, that the aggregate opinion on any variable depends only on the individuals' opinions on that variable (...)
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  28. Conservatism and the Scientific State of Nature.Erich Kummerfeld & Kevin J. S. Zollman - 2016 - British Journal for the Philosophy of Science 67 (4):1057-1076.
    Those who comment on modern scientific institutions are often quick to praise institutional structures that leave scientists to their own devices. These comments reveal an underlying presumption that scientists do best when left alone—when they operate in what we call the ‘scientific state of nature’. Through computer simulation, we challenge this presumption by illustrating an inefficiency that arises in the scientific state of nature. This inefficiency suggests that one cannot simply presume that science is most efficient when institutional control is (...)
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  29. Knowing Our Degrees of Belief.Sinan Dogramaci - 2016 - Episteme 13 (3):269-287.
    The main question of this paper is: how do we manage to know what our own degrees of belief are? Section 1 briefly reviews and criticizes the traditional functionalist view, a view notably associated with David Lewis and sometimes called the theory-theory. I use this criticism to motivate the approach I want to promote. Section 2, the bulk of the paper, examines and begins to develop the view that we have a special kind of introspective access to our degrees of (...)
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  30. Conciliation, Uniqueness and Rational Toxicity.David Christensen - 2016 - Noûs 50 (3):584-603.
    Conciliationism holds that disagreement of apparent epistemic peers often substantially undermines rational confidence in our opinions. Uniqueness principles say that there is at most one maximally rational doxastic response to any given batch of total evidence. The two views are often thought to be tightly connected. This paper distinguishes two ways of motivating conciliationism, and two ways that conciliationism may be undermined by permissive accounts of rationality. It shows how conciliationism can flourish under certain strongly permissive accounts of rationality. This (...)
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  31. On the Aggregation of Wadsley Defects in Slightly Reduced Rutile.L. A. Bursill & B. G. Hyde - 1971 - Philosophical Magazine 23 (181):3-15.
  32. Aggregation Pheromone System: A Real-Parameter Optimization Algorithm Using Aggregation Pheromones as the Base Metaphor.Shigeyosi Tsutsui - 2005 - Transactions of the Japanese Society for Artificial Intelligence 20:76-83.
  33. Discussion: Judgment as "the Collective Becoming Abstract.".A. H. Lloyd - 1894 - Psychological Review 1 (3):283-285.
  34. Levels of Aggregation and the Generalized Matching Law.C. Donald Heth - 1992 - Psychological Review 99 (2):306-321.
  35. Aggregation of Value Judgments Differs From Aggregation of Preferences.Wlodek Rabinowicz - 2016 - In .
    My focus is on aggregation of individual value rankings of alternatives to a collective value ranking. This is compared with aggregation o individual prefrences to a collective preference. While in an individual preference ranking the alternatives are ordered in accordance with one’s preferences, the order in a value ranking expresses one’s comparative evaluation of the alternatives, from the best to the worst. I suggest that, despite their formal similarity as rankings, this difference in the nature of individual inputs in two (...)
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  36. Aggregating Judgement in Scientifc Practice.Raphaël Künstler - unknown
    This paper argues that standard theories of judgment aggregation cannot apply to scientific practice, since science is a temporally extended process that involves both different individuals and different hypotheses during that process. Thus, for example, we seem to have no idea how to determine the judgments of dead scientists about theoretical alternatives that were proposed after their death. The paper then proposes an algorithm for judgment aggregation to try to address some of these challenges.
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  37. When Experts Disagree.David Coady - 2006 - Episteme: A Journal of Social Epistemology 3 (1):68-79.
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  38. Social Structure and the Effects of Conformity.Kevin James Spears Zollman - 2010 - Synthese 172 (3):317-340.
    Conformity is an often criticized feature of human belief formation. Although generally regarded as a negative influence on reliability, it has not been widely studied. This paper attempts to determine the epistemic effects of conformity by analyzing a mathematical model of this behavior. In addition to investigating the effect of conformity on the reliability of individuals and groups, this paper attempts to determine the optimal structure for conformity. That is, supposing that conformity is inevitable, what is the best way for (...)
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  39. Scientific Collaboration: Do Two Heads Need to Be More Than Twice Better Than One?Thomas Boyer-Kassem and Cyrille Imbert - 2015 - Philosophy of Science 82 (4):667-688.
  40. SIGRAD 2010 – Content Aggregation and Visualization.Kai-Mikael Jää-Aro & Thomas Larsson (eds.) - 2010 - Linköping University Electronic Press.
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  41. How to Condorcet a Goldman.Michele Palmira - 2015 - Episteme 12 (3):413-425.
    In his 2010 paper “Philosophical Naturalism and Intuitional Methodology”, Alvin I. Goldman invokes the Condorcet Jury Theorem in order to defend the reliability of intuitions. The present note argues that the original conditions of the theorem are all unrealistic when analysed in connection to the case of intuitions. Alternative conditions are discussed.
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  42. Disagreement and the Value of Self-Trust.Robert Pasnau - 2015 - Philosophical Studies 172 (9):2315-2339.
    Controversy over the epistemology of disagreement endures because there is an unnoticed factor at work: the intrinsic value we give to self-trust. Even if there are many instances of disagreement where, from a strictly epistemic or rational point of view, we ought to suspend belief, there are other values at work that influence our all-things considered judgments about what we ought to believe. Hence those who would give equal-weight to both sides in many cases of disagreement may be right, from (...)
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  43. Disagreement and Intellectual Scepticism.Andrew Rotondo - 2015 - Australasian Journal of Philosophy 93 (2):251-271.
    Several philosophers have recently argued that disagreement with others undermines or precludes epistemic justification for our opinions about controversial issues. This amounts to a fascinating and disturbing kind of intellectual scepticism. A crucial piece of the sceptical argument, however, is that our opponents on such topics are epistemic peers. In this paper, I examine the reasons for why we might think that our opponents really are such peers, and I argue that those reasons are either too weak or too strong, (...)
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  44. Argumentation and the Epistemology of Disagreement.Harvey Siegal - unknown
    When epistemic peers disagree, what should a virtuous arguer do? Several options have been defended in the recent literature on the epistemology of disagreement, which connects interestingly to the controversy launched by Fogelin’s famous paper on ‘deep disagreement.’ I will argue that Fogelin’s case is transformed by the new work on disagreement, and that when seen in that broader epistemological context ‘deep’ disagreement is much less problematic for argumentation theory than it once seemed.
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  45. Epistemic Modals and Credal Disagreement.Torfinn Thomesen Huvenes - 2015 - Philosophical Studies 172 (4):987-1011.
    Considerations involving disagreement, as well as related considerations involving correction and retraction, have played an important role in recent debates about epistemic modals. For instance, it has been argued that contextualist views about epistemic modals have problems when it comes to explaining cases of disagreement. In response to these challenges, I explore the idea that the relevant cases of disagreement may involve credal disagreement. In a case of credal disagreement, the parties have different degrees of belief or credences. There does (...)
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  46. David Christensen and Jennifer Lackey, Eds. , The Epistemology of Disagreement: New Essays . Reviewed By.Dustin Olson - 2015 - Philosophy in Review 35 (1):4-6.
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  47. Applying Formal Social Epistemology to the Real World.Carlo Martini - 2012 - Analyse & Kritik 34 (2):383-398.
    The claim that diversity and independence have a net positive epistemic effect on the judgments of groups has been recently defended formally by Scott Page, among others, and popularized in Surowiecki’s The Wisdom of Crowds. In Meta-Induction and the Wisdom of Crowds Thorn and Schurz take issue with the claim that more diversity and independence in groups leads to better collective judgments. I argue that Thorn and Schurz’s arguments are helpful in clarifying a number of over-generalizations about diversity and independence (...)
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  48. Social Choice Theory.Christian List - 2013 - Stanford Encyclopedia of Philosophy.
    Social choice theory is the study of collective decision processes and procedures. It is not a single theory, but a cluster of models and results concerning the aggregation of individual inputs (e.g., votes, preferences, judgments, welfare) into collective outputs (e.g., collective decisions, preferences, judgments, welfare). Central questions are: How can a group of individuals choose a winning outcome (e.g., policy, electoral candidate) from a given set of options? What are the properties of different voting systems? When is a voting system (...)
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  49. Conciliationism Without Uniqueness.Matthew Lee - 2013 - Grazer Philosophische Studien 88 (1):161-188.
    I defend Conciliationism: rationality requires belief revision of epistemic peers who find themselves in disagreement and lack dispute-independent reason to suspect each other of error. (Kelly 2010) argues that Conciliationists are committed to the Uniqueness Thesis: a given body of evidence rationalizes a unique degree of confidence for a given proposition. (Ballantyne & Coffman 2012) cogently critique Kelly's argument and propose an improved version. I contend that their version of the argument is unsound, and I offer some friendly amendments. But (...)
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  50. Preference Aggregation.Paul Douglas Lyon - 1980 - Dissertation, Washington University
    In the final part, Arrow's own formal treatment of the social choice problem is examined and its relation to the preference aggregation model is analyzed. Particular attention is paid to Arrow's discussion of independence of irrelevant alternatives, and, with the aid of some additional formal work, much of what has been found problematic in this is resolved. Finally, this analysis is used as the basis of a critique of the "received view" in the literature about independence of irrelevant alternatives. ;In (...)
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1 — 50 / 269