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John Turri
University of Waterloo
  1. On the Relationship Between Propositional and Doxastic Justification.John Turri - 2010 - Philosophy and Phenomenological Research 80 (2):312-326.
    I argue against the orthodox view of the relationship between propositional and doxastic justification. The view under criticism is: if p is propositionally justified for S in virtue of S's having reason R, and S believes p on the basis of R, then S's belief that p is doxastically justified. I then propose and evaluate alternative accounts of the relationship between propositional and doxastic justification, and conclude that we should explain propositional justification in terms of doxastic justification. If correct, this (...)
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  2. Knowledge and Luck.John Turri, Wesley Buckwalter & Peter Blouw - 2015 - Psychonomic Bulletin and Review 22 (2):378-390.
    Nearly all success is due to some mix of ability and luck. But some successes we attribute to the agent’s ability, whereas others we attribute to luck. To better understand the criteria distinguishing credit from luck, we conducted a series of four studies on knowledge attributions. Knowledge is an achievement that involves reaching the truth. But many factors affecting the truth are beyond our control and reaching the truth is often partly due to luck. Which sorts of luck are compatible (...)
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  3.  60
    Impossible Intentions.Wesley Buckwalter, David Rose & John Turri - forthcoming - American Philosophical Quarterly.
    Philosophers are divided on whether it is possible to intend believed-impossible outcomes. Several thought experiments in the action theory literature suggest that this is conceptually possible, though they have not been tested in ordinary social cognition. We conducted three experiments to determine whether, on the ordinary view, it is conceptually possible to intend believed-impossible outcomes. Our findings indicate that participants firmly countenance the possibility of intending believed-impossible outcomes, suggesting that it is conceptually possible to intend to do something that one (...)
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  4. Manifest Failure: The Gettier Problem Solved.John Turri - 2011 - Philosophers' Imprint 11.
    This paper provides a principled and elegant solution to the Gettier problem. The key move is to draw a general metaphysical distinction and conscript it for epistemological purposes. Section 1 introduces the Gettier problem. Sections 2–5 discuss instructively wrong or incomplete previous proposals. Section 6 presents my solution and explains its virtues. Section 7 answers the most common objection.
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  5. Belief Through Thick and Thin.Wesley Buckwalter, David Rose & John Turri - 2015 - Noûs 49 (4):748-775.
    We distinguish between two categories of belief—thin belief and thick belief—and provide evidence that they approximate genuinely distinct categories within folk psychology. We use the distinction to make informative predictions about how laypeople view the relationship between knowledge and belief. More specifically, we show that if the distinction is genuine, then we can make sense of otherwise extremely puzzling recent experimental findings on the entailment thesis (i.e. the widely held philosophical thesis that knowledge entails belief). We also suggest that the (...)
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  6. The Express Knowledge Account of Assertion.John Turri - 2011 - Australasian Journal of Philosophy 89 (1):37-45.
    Many philosophers favour the simple knowledge account of assertion, which says you may assert something only if you know it. The simple account is true but importantly incomplete. I defend a more informative thesis, namely, that you may assert something only if your assertion expresses knowledge. I call this 'the express knowledge account of assertion', which I argue better handles a wider range of cases while at the same time explaining the simple knowledge account's appeal. §1 introduces some new data (...)
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  7. A Conspicuous Art: Putting Gettier to the Test.John Turri - 2013 - Philosophers' Imprint 13.
    Professional philosophers say it’s obvious that a Gettier subject does not know. But experimental philosophers and psychologists have argued that laypeople and non-Westerners view Gettier subjects very differently, based on experiments where laypeople tend to ascribe knowledge to Gettier subjects. I argue that when effectively probed, laypeople and non-Westerners unambiguously agree that Gettier subjects do not know.
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  8. The Test of Truth: An Experimental Investigation of the Norm of Assertion.John Turri - 2013 - Cognition 129 (2):279-291.
    Assertion is fundamental to our lives as social and cognitive beings. Philosophers have recently built an impressive case that the norm of assertion is factive. That is, you should make an assertion only if it is true. Thus far the case for a factive norm of assertion been based on observational data. This paper adds experimental evidence in favor of a factive norm from six studies. In these studies, an assertion’s truth value dramatically affects whether people think it should be (...)
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  9.  69
    Epistemic Contextualism: An Idle Hypothesis.John Turri - 2017 - Australasian Journal of Philosophy 95 (1):141-156.
    Epistemic contextualism is one of the most hotly debated topics in contemporary epistemology. Contextualists claim that ‘know’ is a context-sensitive verb associated with different evidential standards in different contexts. Contextualists motivate their view based on a set of behavioural claims. In this paper, I show that several of these behavioural claims are false. I also show that contextualist test cases suffer from a critical confound, which derives from people's tendency to defer to speakers’ statements about their own mental states. My (...)
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  10. The Ontology of Epistemic Reasons.John Turri - 2009 - Noûs 43 (3):490-512.
    Epistemic reasons are mental states. They are not propositions or non-mental facts. The discussion proceeds as follows. Section 1 introduces the topic. Section 2 gives two concrete examples of how our topic directly affects the internalism/externalism debate in normative epistemology. Section 3 responds to an argument against the view that reasons are mental states. Section 4 presents two problems for the view that reasons are propositions. Section 5 presents two problems for the view that reasons are non-mental facts. Section 6 (...)
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  11.  43
    Experimental Evidence That Knowledge Entails Justification.Alexandra M. Nolte, David Rose & John Turri - forthcoming - In Tania Lombrozo, Shaun Nichols & Joshua Knobe (eds.), Oxford studies in experimental philosophy, volume 4. Oxford, England: Oxford University Press.
    A standard view in philosophy is that knowledge entails justification. Yet recent research suggests otherwise. We argue that this admirable and striking research suffers from an important limitation: participants were asked about knowledge but not justification. Thus it is possible that people attributed knowledge partly because they thought the belief was justified. Perhaps though, if given the opportunity, people would deny justification while still attributing knowledge. It is also possible that earlier findings were due to perspective taking. This paper reports (...)
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  12. Believing For a Reason.John Turri - 2011 - Erkenntnis 74 (3):383-397.
    This paper explains what it is to believe something for a reason. My thesis is that you believe something for a reason just in case the reason non-deviantly causes your belief. In the course of arguing for my thesis, I present a new argument that reasons are causes, and offer an informative account of causal non-deviance.
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  13. Descartes’s Schism, Locke’s Reunion: Completing the Pragmatic Turn in Epistemology.John Turri & Wesley Buckwalter - 2017 - American Philosophical Quarterly 54 (1):25-46.
    Centuries ago, Descartes and Locke initiated a foundational debate in epistemology over the relationship between knowledge, on the one hand, and practical factors, on the other. Descartes claimed that knowledge and practice are fundamentally separate. Locke claimed that knowledge and practice are fundamentally united. After a period of dormancy, their disagreement has reignited on the contemporary scene. Latter-day Lockeans claim that knowledge itself is essentially connected to, and perhaps even constituted by, practical factors such as how much is at stake, (...)
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  14. Epistemic Invariantism and Speech Act Contextualism.John Turri - 2010 - Philosophical Review 119 (1):77-95.
    In this essay I show how to reconcile epistemic invariantism with the knowledge account of assertion. My basic proposal is that we can comfortably combine invariantism with the knowledge account of assertion by endorsing contextualism about speech acts. My demonstration takes place against the backdrop of recent contextualist attempts to usurp the knowledge account of assertion, most notably Keith DeRose's influential argument that the knowledge account of assertion spells doom for invariantism and enables contextualism's ascendancy.
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  15. Is Knowledge Justified True Belief?John Turri - 2012 - Synthese 184 (3):247-259.
    Is knowledge justified true belief? Most philosophers believe that the answer is clearly ‘no’, as demonstrated by Gettier cases. But Gettier cases don’t obviously refute the traditional view that knowledge is justified true belief (JTB). There are ways of resisting Gettier cases, at least one of which is partly successful. Nevertheless, when properly understood, Gettier cases point to a flaw in JTB, though it takes some work to appreciate just what it is. The nature of the flaw helps us better (...)
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  16. When Words Speak Louder Than Actions: Delusion, Belief, and the Power of Assertion.David Rose, Wesley Buckwalter & John Turri - 2014 - Australasian Journal of Philosophy (4):1-18.
    People suffering from severe monothematic delusions, such as Capgras, Fregoli, or Cotard patients, regularly assert extraordinary and unlikely things. For example, some say that their loved ones have been replaced by impostors. A popular view in philosophy and cognitive science is that such monothematic delusions aren't beliefs because they don't guide behaviour and affect in the way that beliefs do. Or, if they are beliefs, they are somehow anomalous, atypical, or marginal beliefs. We present evidence from five studies that folk (...)
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  17. Excuse Validation: A Study in Rule-Breaking.John Turri & Peter Blouw - 2015 - Philosophical Studies 172 (3):615-634.
    Can judging that an agent blamelessly broke a rule lead us to claim, paradoxically, that no rule was broken at all? Surprisingly, it can. Across seven experiments, we document and explain the phenomenon of excuse validation. We found when an agent blamelessly breaks a rule, it significantly distorts people’s description of the agent’s conduct. Roughly half of people deny that a rule was broken. The results suggest that people engage in excuse validation in order to avoid indirectly blaming others for (...)
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  18.  28
    Reasons and Basing in Commonsense Epistemology: Evidence From Two Experiments.John Turri - forthcoming - In J. Adam Carter & Patrick Bondy (eds.), Well founded belief: new essays on the basing relation. Routledge.
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  19. Prompting Challenges.John Turri - 2010 - Analysis 70 (3):456-462.
    I consider a serious objection to the knowledge account of assertion and develop a response. In the process I introduce important new data on prompting assertion, which all theorists working in the area should take note of.
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  20.  34
    Knowledge, Adequacy, and Approximate Truth.Wesley Buckwalter & John Turri - 2020 - Consciousness and Cognition 83:102950.
    Approximation involves representing things in ways that might be close to the truth but are nevertheless false. Given the widespread reliance on approximations in science and everyday life, here we ask whether it is conceptually possible for false approximations to qualify as knowledge. According to the factivity account, it is impossible to know false approximations, because knowledge requires truth. According to the representational adequacy account, it is possible to know false approximations, if they are close enough to the truth for (...)
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  21.  27
    Knowledge Attributions and Lottery Cases: A Review and New Evidence.John Turri - forthcoming - In Igor Douven (ed.), The lottery problem. Cambridge, England: Cambridge University Press.
    I review recent empirical findings on knowledge attributions in lottery cases and report a new experiment that advances our understanding of the topic. The main novel finding is that people deny knowledge in lottery cases because of an underlying qualitative difference in how they process probabilistic information. “Outside” information is generic and pertains to a base rate within a population. “Inside” information is specific and pertains to a particular item’s propensity. When an agent receives information that 99% of all lottery (...)
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  22. Telling, Showing and Knowing: A Unified Theory of Pedagogical Norms.Wesley Buckwalter & John Turri - 2014 - Analysis 74 (1):16-20.
    Pedagogy is a pillar of human culture and society. Telling each other information and showing each other how to do things comes naturally to us. A strong case has been made that declarative knowledge is the norm of assertion, which is our primary way of telling others information. This article presents an analogous case for the hypothesis that procedural knowledge is the norm of instructional demonstration, which is a primary way of showing others how to do things. Knowledge is the (...)
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  23.  14
    Knowledge and Suberogatory Assertion.John Turri - 2014 - Philosophical Studies 167 (3):557-567.
    I accomplish two things in this paper. First I expose some important limitations of the contemporary literature on the norms of assertion and in the process illuminate a host of new directions and forms that an account of assertional norms might take. Second I leverage those insights to suggest a new account of the relationship between knowledge and assertion, which arguably outperforms the standard knowledge account.
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  24. Inability and Obligation in Moral Judgment.Wesley Buckwalter & John Turri - 2015 - PLoS ONE 10 (8).
    It is often thought that judgments about what we ought to do are limited by judgments about what we can do, or that “ought implies can.” We conducted eight experiments to test the link between a range of moral requirements and abilities in ordinary moral evaluations. Moral obligations were repeatedly attributed in tandem with inability, regardless of the type (Experiments 1–3), temporal duration (Experiment 5), or scope (Experiment 6) of inability. This pattern was consistently observed using a variety of moral (...)
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  25.  98
    Knowledge and the Norm of Assertion: A Simple Test.John Turri - 2014 - Synthese 192 (2):385-392.
    An impressive case has been built for the hypothesis that knowledge is the norm of assertion, otherwise known as the knowledge account of assertion. According to the knowledge account, you should assert something only if you know that it’s true. A wealth of observational data supports the knowledge account, and some recent empirical results lend further, indirect support. But the knowledge account has not yet been tested directly. This paper fills that gap by reporting the results of such a test. (...)
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  26. Skeptical Appeal: The Source‐Content Bias.John Turri - 2014 - Cognitive Science 38 (5):307-324.
    Radical skepticism is the view that we know nothing or at least next to nothing. Nearly no one actually believes that skepticism is true. Yet it has remained a serious topic of discussion for millennia and it looms large in popular culture. What explains its persistent and widespread appeal? How does the skeptic get us to doubt what we ordinarily take ourselves to know? I present evidence from two experiments that classic skeptical arguments gain potency from an interaction between two (...)
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  27. Gettier Cases: A Taxonomy.Peter Blouw, Wesley Buckwalter & John Turri - 2017 - In R. Borges, C. de Almeida & P. Klein (eds.), Explaining Knowledge: New Essays on the Gettier Problem. Oxford University Press. pp. 242-252.
    The term “Gettier Case” is a technical term frequently applied to a wide array of thought experiments in contemporary epistemology. What do these cases have in common? It is said that they all involve a justified true belief which, intuitively, is not knowledge, due to a form of luck called “Gettiering.” While this very broad characterization suffices for some purposes, it masks radical diversity. We argue that the extent of this diversity merits abandoning the notion of a “Gettier case” in (...)
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  28.  21
    Deciding Without Intending.Alexandra M. Nolte, Wesley Buckwalter, David Rose & John Turri - 2020 - Journal of Cognition 3 (1):12.
    According to a consensus view in philosophy, “deciding” and “intending” are synonymous expressions. Researchers have recently challenged this view with the discovery of a counterexample in which ordinary speakers attribute deciding without intending. The aim of this paper is to investigate the strengths and limits of this discovery. The result of this investigation revealed that the evidence challenging the consensus view is strong. We replicate the initial finding against consensus and extend it by utilizing several new measures, materials, and procedures. (...)
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  29.  21
    Experimental Epistemology and "Gettier" Cases.John Turri - 2019 - In Stephen Hetherington (ed.), The Gettier Problem. Cambridge University Press. pp. 199-217.
    This chapter reviews some faults of the theoretical literature and findings from the experimental literature on “Gettier” cases. Some “Gettier” cases are so poorly constructed that they are unsuitable for serious study. Some longstanding assumptions about how people tend to judge “Gettier” cases are false. Some “Gettier” cases are judged similarly to paradigmatic ignorance, whereas others are judged similarly to paradigmatic knowledge, rendering it a theoretically useless category. Experimental procedures can affect how people judge “Gettier” cases. Some important central tendencies (...)
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  30.  20
    Exceptionalist Naturalism: Human Agency and the Causal Order.John Turri - 2018 - Quarterly Journal of Experimental Psychology 71 (2):396-410.
    This paper addresses a fundamental question in folk metaphysics: how do we ordinarily view human agency? According to the transcendence account, we view human agency as standing outside of the causal order and imbued with exceptional powers. According to a naturalistic account, we view human agency as subject to the same physical laws as other objects and completely open to scientific investigation. According to exceptionalist naturalism, the truth lies somewhere in between: we view human agency as fitting broadly within the (...)
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  31.  59
    Knowledge Attributions in Iterated Fake Barn Cases.John Turri - 2017 - Analysis 77 (1):104-115.
    In a single-iteration fake barn case, the agent correctly identifies an object of interest on the first try, despite the presence of nearby lookalikes that could have mislead her. In a multiple-iteration fake barn case, the agent first encounters several fakes, misidentifies each of them, and then encounters and correctly identifies a genuine item of interest. Prior work has established that people tend to attribute knowledge in single-iteration fake barn cases, but multiple-iteration cases have not been tested. However, some theorists (...)
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  32.  33
    Knowledge Central: A Central Role for Knowledge Attributions in Social Evaluations.John Turri, Ori Friedman & Ashley Keefner - 2017 - Quarterly Journal of Experimental Psychology 70 (3):504-515.
    Five experiments demonstrate the central role of knowledge attributions in social evaluations. In Experiments 1–3, we manipulated whether an agent believes, is certain of, or knows a true proposition and asked people to rate whether the agent should perform a variety of actions. We found that knowledge, more so than belief or certainty, leads people to judge that the agent should act. In Experiments 4–5, we investigated whether attributions of knowledge or certainty can explain an important finding on how people (...)
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  33. Does Perceiving Entail Knowing?John Turri - 2010 - Theoria 76 (3):197-206.
    This article accomplishes two closely connected things. First, it refutes an influential view about the relationship between perception and knowledge. In particular, it demonstrates that perceiving does not entail knowing. Second, it leverages that refutation to demonstrate that knowledge is not the most general factive propositional attitude.
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  34.  91
    Evidence of Factive Norms of Belief and Decision.John Turri - 2015 - Synthese 192 (12):4009-4030.
    According to factive accounts of the norm of belief and decision-making, you should not believe or base decisions on a falsehood. Even when the evidence misleadingly suggests that a false proposition is true, you should not believe it or base decisions on it. Critics claim that factive accounts are counterintuitive and badly mischaracterize our ordinary practice of evaluating beliefs and decisions. This paper reports four experiments that rigorously test the critic’s accusations and the viability of factive accounts. The results undermine (...)
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  35. Is Probabilistic Evidence a Source of Knowledge?Ori Friedman & John Turri - 2015 - Cognitive Science 39 (5):1062-1080.
    We report a series of experiments examining whether people ascribe knowledge for true beliefs based on probabilistic evidence. Participants were less likely to ascribe knowledge for beliefs based on probabilistic evidence than for beliefs based on perceptual evidence or testimony providing causal information. Denial of knowledge for beliefs based on probabilistic evidence did not arise because participants viewed such beliefs as unjustified, nor because such beliefs leave open the possibility of error. These findings rule out traditional philosophical accounts for why (...)
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  36.  89
    Choosing and Refusing: Doxastic Voluntarism and Folk Psychology.John Turri, David Rose & Wesley Buckwalter - 2018 - Philosophical Studies 175 (10):2507-2537.
    A standard view in contemporary philosophy is that belief is involuntary, either as a matter of conceptual necessity or as a contingent fact of human psychology. We present seven experiments on patterns in ordinary folk-psychological judgments about belief. The results provide strong evidence that voluntary belief is conceptually possible and, granted minimal charitable assumptions about folk-psychological competence, provide some evidence that voluntary belief is psychologically possible. We also consider two hypotheses in an attempt to understand why many philosophers have been (...)
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  37.  19
    Virtue Epistemology and Abilism on Knowledge.John Turri - 2019 - In Heather Battaly (ed.), Routledge handbook of virtue epistemology. Routledge. pp. 209-316.
    Virtue epistemologists define knowledge as true belief produced by intellectual virtue. In this paper, I review how this definition fails in three important ways. First, it fails as an account of the ordinary knowledge concept, because neither belief nor reliability is essential to knowledge ordinarily understood. Second, it fails as an account of the knowledge relation itself, insofar as that relation is operationalized in the scientific study of cognition. Third, it serves no prescriptive purpose identified up till now. An alternative (...)
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  38.  69
    Actionability Judgments Cause Knowledge Judgments.John Turri, Wesley Buckwalter & David Rose - 2016 - Thought: A Journal of Philosophy 5 (3):212-222.
    Researchers recently demonstrated a strong direct relationship between judgments about what a person knows and judgments about how a person should act. But it remains unknown whether actionability judgments cause knowledge judgments, or knowledge judgments cause actionability judgments. This paper uses causal modeling to help answer this question. Across two experiments, we found evidence that actionability judgments cause knowledge judgments.
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  39.  18
    The Non-Factive Turn in Epistemology: Some Hypotheses.John Turri - 2018 - In Veli Mitova (ed.), The factive turn in epistemology. Cambridge, England: Cambridge University Press. pp. 219-228.
    I evaluate non-factive or truth-insensitive accounts of the ordinary concepts used to evaluate beliefs, evidence, assertions, and decisions. Recent findings show that these accounts are mistaken. I propose three hypotheses regarding how philosophers defending these accounts got things so wrong. I also consider one potential consequence for the discipline.
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  40.  33
    Assertion.John Turri - 2014 - In Robert N. Audi (ed.), Cambridge dictionary of philosophy (3rd ed.). Cambridge, England: Cambridge University Press.
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  41.  73
    The Radicalism of Truth‐Insensitive Epistemology: Truth's Profound Effect on the Evaluation of Belief.John Turri - 2016 - Philosophy and Phenomenological Research 93 (2):348-367.
    Many philosophers claim that interesting forms of epistemic evaluation are insensitive to truth in a very specific way. Suppose that two possible agents believe the same proposition based on the same evidence. Either both are justified or neither is; either both have good evidence for holding the belief or neither does. This does not change if, on this particular occasion, it turns out that only one of the two agents has a true belief. Epitomizing this line of thought are thought (...)
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  42.  65
    Epistemic Situationism and Cognitive Ability.John Turri - 2017 - In Epistemic Situationism. Oxford, England: Oxford University Press. pp. 158-167.
    Leading virtue epistemologists defend the view that knowledge must proceed from intellectual virtue and they understand virtues either as refned character traits cultivated by the agent over time through deliberate effort, or as reliable cognitive abilities. Philosophical situationists argue that results from empirical psychology should make us doubt that we have either sort of epistemic virtue, thereby discrediting virtue epistemology’s empirical adequacy. I evaluate this situationist challenge and outline a successor to virtue epistemology: abilism . Abilism delivers all the main (...)
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  43. Unreliable Knowledge.John Turri - 2015 - Philosophy and Phenomenological Research 90 (3):529-545.
    There is a virtual consensus in contemporary epistemology that knowledge must be reliably produced. Everyone, it seems, is a reliabilist about knowledge in that sense. I present and defend two arguments that unreliable knowledge is possible. My first argument proceeds from an observation about the nature of achievements, namely, that achievements can proceed from unreliable abilities. My second argument proceeds from an observation about the epistemic efficacy of explanatory inference, namely, that inference to the best explanation seems to produce knowledge, (...)
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  44.  47
    Knowledge, Certainty, and Assertion.John Turri - 2016 - Philosophical Psychology 29 (2):293-299.
    Researchers have debated whether knowledge or certainty is a better candidate for the norm of assertion. Should you make an assertion only if you know it's true? Or should you make an assertion only if you're certain it's true? If either knowledge or certainty is a better candidate, then this will likely have detectable behavioral consequences. I report an experiment that tests for relevant behavioral consequences. The results support the view that assertability is more closely linked to knowledge than to (...)
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  45.  36
    Vision, Knowledge, and Assertion.John Turri - 2016 - Consciousness and Cognition 41:41-49.
    I report two experiments studying the relationship among explicit judgments about what people see, know, and should assert. When an object of interest was surrounded by visibly similar items, it diminished people’s willingness to judge that an agent sees, knows, and should tell others that it is present. This supports the claim, made by many philosophers, that inhabiting a misleading environment intuitively decreases our willingness to attribute perception and knowledge. However, contrary to stronger claims made by some philosophers, inhabiting a (...)
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  46.  63
    The Truth About Lying.Angelo Turri & John Turri - 2015 - Cognition 138:161-168.
    The standard view in social science and philosophy is that lying does not require the liar’s assertion to be false, only that the liar believes it to be false. We conducted three experiments to test whether lying requires falsity. Overall, the results suggest that it does. We discuss some implications for social scientists working on social judgments, research on lie detection, and public moral discourse.
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  47.  26
    Truth, Fallibility, and Justification: New Studies in the Norms of Assertion.John Turri - 2020 - Synthese:1-12.
    This paper advances our understanding of the norms of assertion in two ways. First, I evaluate recent studies claiming to discredit an important earlier finding which supports the hypothesis that assertion has a factive norm. In particular, I evaluate whether it was due to stimuli mentioning that a speaker’s evidence was fallible. Second, I evaluate the hypothesis that assertion has a truth-insensitive standard of justification. In particular, I evaluate the claim that switching an assertion from true to false, while holding (...)
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  48.  61
    Selfless Assertions: Some Empirical Evidence.John Turri - 2014 - Synthese 192 (4):1221-1233.
    It is increasingly recognized that knowledge is the norm of assertion. As this view has gained popularity, it has also garnered criticism. One widely discussed criticism involves thought experiments about “selfless assertion.” Selfless assertions are said to be intuitively compelling examples where agents should assert propositions that they don’t even believe and, hence, don’t know. This result is then taken to show that knowledge is not the norm of assertion. This paper reports four experiments demonstrating that “selfless assertors” are viewed (...)
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  49.  26
    Knowledge as Achievement, More or Less.John Turri - 2016 - In Miguel Ángel Fernández Vargas (ed.), Performance Epistemology: Foundations and Applications. Oxford, England: Oxford University Press UK. pp. 124-134.
    This chapter enhances and extends a powerful and promising research program, performance-based epistemology, which stands at the crossroads of many important currents that one can identify in contemporary epistemology, including the value problem, epistemic normativity, virtue epistemology, and the nature of knowledge. Performance-based epistemology offers at least three outstanding benefits: it explains the distinctive value that knowledge has, it places epistemic evaluation into a familiar and ubiquitous pattern of evaluation, and it solves the Gettier problem. But extant versions of performance-based (...)
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  50.  15
    Personal Identity and Persisting as Many.Sara Weaver & John Turri - 2018 - In Tania Lombrozo, Joshua Knobe & Shaun Nichols (eds.), Oxford Studies in Experimental Philosophy, volume 2. Oxford, England: Oxford University Press. pp. 213-242.
    Many philosophers hypothesize that our concept of personal identity is partly constituted by the one-person-one-place rule, which states that a person can only be in one place at a time. This hypothesis has been assumed by the most influential contemporary work on personal identity. In this paper, we report a series of studies testing whether the hypothesis is true. In these studies, people consistently judged that the same person existed in two different places at the same time. This result undermines (...)
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