The chapter places Kant's discussions of empirical and rational psychology in the context of previous discussions in Germany. It also considers the status of what might be called his "transcendental psychology" as an instance of a special kind of knowledge: transcendental philosophy. It is divided into sections that consider four topics: the refutation of traditional rational psychology in the Paralogisms; the contrast between traditional empirical psychology and the transcendental philosophy of the Deduction; Kant's appeal to an implicit psychology (...) in his taxonomy and theory of cognitive faculties throughout the Critique of Pure Reason; and his new definitions of and support for empirical and rational psychology in the Doctrine of Method. (shrink)

There are Humeans and unHumeans, disagreeing as to the validity of the Treatise’s ideas regarding practical reason, but not as to their importance. The basic argument here is that the enduring irresolution of their Hume centric debates has been fostered by what can be called the fallacy of normative monism, i.e. a failure to distinguish between two different kinds of normativity: empirical vs. rational. Humeans take the empirical normativity of personal desire to constitute the only real kind, while (...) unHumeans insist that only the objective rationality associated with categorical morality can provide reliable normative guidance. In turn, the failure to recognize the dual nature of normativity has helped engender motivational obscurantism: as essentially causal notions, motive and motivation obscure the rational processes that lie at the heart of deliberation and choice. Once it is realized that normativity takes two different forms, each with its own distinctive role, it becomes possible to mediate if not mitigate the differences between Humeans and unHumeans. Choice will be the key to understanding practical reasoning, and its analysis will provide the basis for a belief/desire model that upends conventional wisdom regarding motivation and desire. (shrink)

Rational justification of claims with empirical content calls for empirical and not only normative philosophical investigation. Empirical approaches to bioethics are epistemically valuable, i.e., such methods may be necessary in providing and verifying basic knowledge about cultural values and norms. Our assumptions in moral reasoning can be verified or corrected using these methods. Moral arguments can be initiated or adjudicated by data drawn from empirical investigation. One may argue that individualistic informed consent, for example, is not (...) compatible with the Asian communitarian orientation. But this normative claim uses an empirical assumption that may be contrary to the fact that some Asians do value and argue for informed consent. Is it necessary and factual to neatly characterize some cultures as individualistic and some as communitarian? Empirical investigation can provide a reasonable way to inform such generalizations. In a multi‐cultural context, such as in the Philippines, there is a need to investigate the nature of the local ethos before making any appeal to authenticity. Otherwise we may succumb to the same ethical imperialism we are trying hard to resist. Normative claims that involve empirical premises cannot be reasonably verified or evaluated without utilizing empirical methods along with philosophical reflection. The integration of empirical methods to the standard normative approach to moral reasoning should be reasonably guided by the epistemic demands of claims arising from cross‐cultural discourse in bioethics. (shrink)

It is often thought that epistemic relations between experience and belief make it possible for our beliefs to be about or "directed towards" the empirical world. I focus on an influential attempt by John McDowell to defend a view along these lines. According to McDowell, unless experiences are the sorts of things that can be our reasons for holding beliefs, our beliefs would not be "answerable" to the facts they purportedly represent, and so would lack all empirical content. (...) I argue that there is no intelligible conception of what it is for beliefs to be answerable to the facts that supports McDowell's claim that our empirical beliefs must be justified by experience. (shrink)

In this paper I argue against the traditional viewthat in discovery processes there is no place forrational decisions. First I argue that some historicalprocesses in which an empirical law was developed,were rational. Second, I identify some of themethodological rules that we can follow in order to berational when constructing an empirical law. Finally,I argue that people who deny that scientific discoverycan be rational do not understand the nature ofmethodological rules.

“It Seems natural to suppose”, wrote Mill, “that rules of action must take their whole character … from the end to which they are subservient”. Many moralists have agreed. If we could establish the Summum Bonum, the foundation of morality, the rational basis of moral thinking, this would constitute a criterion, a rule, by means of which men could actually make good practical judgments. This view is radically mistaken. I first try to show this by means of an a priori (...) argument, and then urge the replacement of the “rational model” of practical thinking embodied in this view by an “empirical model”, which should take account of man's actual capacities and limitations. This has important consequences for morality, some of which I investigate. (shrink)

The fields of positive psychology, cognitive behavioral therapy, mindfulness, and goal-setting have all demonstrated that individuals can modify their beliefs, attitudes, intentions, and behaviors to improve their subjective happiness. But which ethical beliefs affect happiness positively? In comparison to ethical belief systems such as deontology, consequentialism, and altruism, rational egoism appears to be alone in suggesting that an individual’s long-term self-interest and subjective happiness is possible, desirable, and moral. Albeit an important theoretical foundation of the rational egoism philosophy, the relationship (...) between rational egoism and subjective happiness has yet to be investigated empirically. Using (Overall and Gedeon, Business and Professional Ethics. 38:43–78, 2018) 24-item rational egoism scale, we test this relationship on a random sample of 534 full-time American workers using partial least squares structural equation modelling (PLS-SEM). Consistent with rational egoism theory, the main contribution to knowledge of this research is finding a statistically significant relationship between rational egoism and subjective happiness. Implications for practice and areas for future study are suggested. (shrink)

Don Green and Ian Shapiro's Pathologies of Rational Choice Theory, despite the impressive amount of work that has gone into it, is undercut by a number of serious misunderstandings of the use of the rational choice approach by students of American politics. Furthermore, Green and Shapiro adopt an extremely pinched notion of an empirical contribution and an outmoded and idealized view of the scientific method. If their standards were adopted, it would be difficult to allow that anyone in political (...) science has made an empirical contribution, or that political science is a scientific enterprise. (shrink)

Some desiderata for scientific confirmation are formulated in the light of a tentative scientific world view. Bayesian confirmation theories generically satisfy most of these desiderata, but one of them, "the strategy of ascent," fits best in a tempered personalist version of Bayesianism. There are both empirical and rational components, dialectically combined, in tempered personalism. The question of explanation vs. prediction is treated in a Bayesian manner, and it is found that both operations are susceptible to characteristic systematic errors. If (...) these are eliminated, however, then explanation and prediction provide equally good evidential support for hypotheses. (shrink)

The empirically documented fact is that people’s preferences are time -biased. The main aim of this paper is to analyse in which sense do time -biases violate the requirements of rationality, as many authors assume. I will demonstrate that contrary to many influential views in psychology, economy and philosophy it is very difficult to find why the bias toward the near violates the requirements rationality. I will also show why the bias toward the future violates the requirements of (...) rationality in a very basic sense. (shrink)

Rationality within Modern Psychological Theory examines the rational and irrational dimensions of human nature and of the psyche and logos through the lenses of classical philosophy and modern psychology.

Excerpt: My aim here, as in the previous editions, has been not to construct a new original system of my own, but to resuscitate and make better known to English readers a Psychology that has already survived four and twenty centuries, that has had more influence on human thought and human language than all other psychologies together, and that still commands a far larger number of adherents than any rival doctrine. My desire, however, has been not merely to expound but (...) to expand this old system; not merely to defend its assured truths, but to test its principles, to develop them, to apply them to the solution of modern problems; and to re-interpret its generalizations in the light of the most recent researches. I have striven to make clear to the student of modern thought that this ancient psychology is not quite so absurd, nor these old thinkers quite so foolish, as the current caricatures of their teaching would lead one to imagine; and I believe I have shown that not a little of what is supposed to be new has been anticipated, and that most of what is true can be assimilated without much difficulty by the old system. On the other hand, I have sought to bring the scholastic student into closer contact with modern questions; and to acquaint him better with some of the merits of modern psychological analysis and explanation. There is at least one phase of current psychological literature to which my opposition is in no way diminished -- the prevalent view that the science of psychology and the philosophy of the human mind can be shut up in water-tight compartments and rendered completely independent of each other. Indeed, the now customary vehement protestations of psychologists that their works are innocent of all philosophical beliefs -- if not also devoid of all metaphysical foundations -- and the austere gravity with which they are wont to apologize whenever they make mention of the soul, or allude to such irrelevant matters as the possibility of a future life, the origin of the human mind, or its connection with the body, have often appeared to me liable to give rise to the suspicion that the sense of humour is incompatible with psychological eminence. For it is now taken for granted by the most distinguished of these writers that of all human beings the student of psychology feels least interest in the question as to whether he has a soul, or what is to become of it; and that of all branches of human knowledge the science of the mind has least to say on such a topic. In fact, to trespass in such alien matters is universally assumed to be the gravest of professional delinquencies. Notwithstanding the weight of authority for this view, I have had the temerity to suggest that it is the most misleading and extravagant idolon of the psychological cave at the present day. I have even ventured to maintain throughout this work that to construct such a water-tight science of psychology, from which all metaphysical conceptions and beliefs have been effectually bailed out, is simply impossible. Accordingly, I warn my readers at the start that the analysis of mental activities which commends itself to me as the truest and most thorough, has resulted in the conception of the human mind as an immaterial being endowed with free-will and rational activity of a spiritual order; and that my exposition and interpretation of the phenomena lead back to this conclusion. At the same time my procedure throughout is purely rationalistic, in the sense of being based solely on experience and reasoning. (shrink)

ABSTRACT Critical realist thought has theorised convincingly that epistemic relativism is constellationally embedded in ontological realism which in turn necessitates judgemental rationality. In social science, judgemental rationality involves acting upon plausible decisions about competing points of view. However, the tools for doing this are, as yet, under-articulated. This paper addresses this absence by articulating triangulation and depth-reflexivity as two tools for doing judgemental rationality in empirical research. It draws on the experiences of a diverse team working (...) on an international comparative research project on conversion to Islam in prisons. It demonstrates how epistemic and relational gaps between researchers and research subjects can be bridged by mobilising the ‘laminated’ properties and personal attributes of a diverse research team that factors in attributes that are absent as well as those present. The biographical experiences of the team are analyzed in a variety of intersecting dimensions: faith, ethnicity/ethno-culture, gender, class and professionality. (shrink)

The conceptual foundations, features, and scope of the notion of rationality are increasingly being affected by developments in embodied cognitive science. This article starts from the idea of embodied rationality, and aims to develop a frame in which a debate with the classical, possibly bounded, notion of rationality-as-consistency can take place. To this end, I develop a game theoretic description of a real time interaction setup in which participants' behaviors can be used to compare the enactive approach, (...) which underlies embodied rationality, with game theoretic approaches to human interaction. The Perceptual Crossing Paradigm is a minimal interaction interface where two participants each control an avatar on a shared virtual line, and are tasked with cooperatively finding each other among distractor objects. It is well known that the best performance on this task is obtained when both participants let their movements coordinate with the objects they encounter, which they do without any prior knowledge of efficient interaction strategies in the system. A game theoretic model of this paradigm shows that this task can be described as an Assurance game, which allows for comparing game theoretical approaches and the enactive approach on two main fronts. First, accounting for the ability of participants to interactively solve the Assurance game; second, accounting for the evolution of choice landscapes resulting from evolving normative realms in the task. Similarly to the series of paradoxes which have fueled debates in economics in the past century, this analysis aims to serve as an interpretation testbed which can fuel the current debate on rationality. (shrink)

Critical realist thought has theorised convincingly that epistemic relativism is constellationally embedded in ontological realism which in turn necessitates judgemental rationality. In social scie...

A problem is posed by differences between the temporal order of philosophers in the history of philosophy and the rational order in which “definitions of the absolute” upheld by these philosophers appear in Hegel’s Logic. Hegel holds, according to § 88 of the Encyclopedia, both that the Logic reconstructs the history of philosophy on the level of pure thought and that chronological history deviates in places from the rational sequence. A problem is posed for anyone who takes this passage seriously, (...) thus rejecting both a panlogist view of the logic as an autonomous, non-historical self-construction and a neo-Platonic interpretation as approaching but never quite reaching a transdialectical intuition of eternity. It poses a problem for anyone who takes the logic as a hermeneutic key to history as seriously as Hegel himself. (shrink)

It is a platitude that thought implies a subject and an object: the subject is the thinker, or the thinking mind, and the object is that which is thought about. This is probably the most elementary fact of consciousness, comprehensible alike to the child, the unreflecting man of affairs, and the philosopher, and it forms the natural startingpoint for philosophy. And indeed, one of the great divisions between philosophical systems is that which separates subjectivism on one hand from objectivism on (...) the other. Subjectivism professes to interpret the object in terms of the subject, and objectivism professes to interpret the subject in terms of the object. (shrink)

RésuméCet article examine une brève présentation catéchétique de la doctrine médicale galénique des jours critiques composée par le traducteur et penseur duixesiècle Qusṭā ibn Lūqā (m. 912/3) et que l'on a trouvée dans un manuscrit iranien. Tout d'abord, on démontre que cette œuvre a été composée à partir du traité de Galien sur les jours critiques. Ensuite, on la discute section par section, sous forme de commentaire, pour élucider les doctrines médicales proposées par Qusṭā. Enfin, l'œuvre est comparée avec une (...) tentative antérieure, celle d'al-Kindī (m.c. 870), de décrire les jours critiques d'une façon mathématique. On discute les diverses doctrines présentes à l'arrière-plan du traité, comme les diverses approches de la méthode scientifique. L'article se conclut en mettant en contraste la méthode scientifique mathématique eta priorid'al-Kindī avec la méthode empirique eta posterioride Galien et Qusṭā, et il fait des suggestions concernant la chronologie des occurrences de ces doctrines et de ces textes en langue arabe. Une transcription du texte arabe est donnée en appendice. (shrink)

Empirical success is a central criterion for scientific decision-making. Yet its understanding in philosophical studies of science deserves renewed attention: Should philosophers think differently about the advancement of science when they deal with the uncertainty of outcome in ongoing research in comparison with historical episodes? This paper argues that normative appeals to empirical success in the evaluation of competing scientific explanations can result in unreliable conclusions, especially when we are looking at the changeability of direction in ongoing investigations. (...) The challenges we encounter arise from the inherent dynamics of disciplinary and experimental objectives in research practice. In this paper we discuss how these dynamics inform the evaluation of empirical success by analyzing three of its requirements: data accommodation, instrumental reliability, and predictive power. We conclude that the assessment of empirical success in developing inquiry is set against the background of a model’s interactive success and prospective value in an experimental context. Our argument is exemplified by the analysis of an apparent controversy surrounding the model of a quantum nose in research on olfaction. Notably the public narrative of this controversy rests on a distorted perspective on measures of empirical success. (shrink)

Weakness of the will remains a perplexing issue. Though philosophers have made substantial progress in homing in on what counts as a weak will, there is little agreement on whether weakness of the will is irrational, and if so, why. In this paper, we take an empirical approach towards the rationality of weakness of the will. After introducing the philosophical debate, we present the results of an empirical study that reveals that people take a “dual sensitivity”, as (...) we shall put it, towards assessing the rationality of weak-willed behavior. Put succinctly, intending X against your value judgements is assessed irrational; yet, in the same situation, intending X is assessed significantly less irrational if you judge X as something you ought to do. After discussing this result, we turn to the question of whether there is a plausible theory of rationality than can account for the dual sensitivity of the rationality assessments. We show that a success-based account can make sense of the dual sensitivity our empirical results reveal. (shrink)

Rationalization, in our intended sense of the term, occurs when a person favors a particular conclusion as a result of some factor (such as self-interest) that is of little justificatory epistemic relevance, if that factor then biases the person’s subsequent search for, and assessment of, potential justifications for the conclusion. Empirical evidence suggests that rationalization is common in people’s moral and philosophical thought. We argue that it is likely that the moral and philosophical thought of philosophers and moral psychologists (...) is also pervaded by rationalization. Moreover, although rationalization has some benefits, overall it would be epistemically better if the moral and philosophical reasoning of people, including professional academics, were not as heavily influenced by rationalization as it likely is. We discuss the significance of our arguments for cognitive management and epistemic responsibility. (shrink)

Since rationality is a normative ideal, it is difficult to see how a theory of rationality might be subjected to empirical evaluation. This paper explores various aspects of this problem in relation to the work of L. J. Cohen, Amos Tversky and Daviel Kahneman, Ellery Eells, Isaac Levi, and Henry Kyburg. Special consideration is given to its significance for testing systems of inductive logic.

In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Salomon Maimon: Rational Dogmatist, Empirical Skeptic: Critical AssessmentsDaniel BreazealeGideon Freudenthal, editor. Salomon Maimon: Rational Dogmatist, Empirical Skeptic: Critical Assessments. Dordrecht: Kluwer, 2003. pp vii + 304. Cloth, $135.00.This collection of previously unpublished essays on one of the more idiosyncratic and complex figures in the history of philosophy begins with a splendid introductory essay by the editor, "A Philosopher between Two Cultures," emphasizing the "inter-cultural" character of (...) Maimon's achievement and his position as an outsider with respect to both the traditional Jewish community and that of modern German philosophy, a position reflected in Maimon's strategy of advancing his systematic philosophy by means of eccentric "commentaries" on such authors as Maimonides, Newton, and Kant.Maimon's "dual cultural project" is also the theme of a fine essay by Yossif Schwartz, "Causa materialis: Solomon Maimon, Moses ben Maimon and the Possibility of Philosophical Transmission," which compares Maimon's effort to introduce his Hebrew readers to Kantian philosophy (in his commentary on The Guide of the Perplexed) and his German-language readers to Maimonides (in his Autobiography), in an effort to legitimize modern philosophy to his fellow Jews and Maimonides and the tradition of Jewish thought to his fellow philosophers. Schwartz illustrates this point with reference to the specific issue of God as "material cause" of the world.Several of the essays deal with the difficult but important theme of predication and with Maimon's central notion of the "principle of determinability," understood as the highest principle of all (real) synthetic judgments. Oded Schechter's "The Logic of Speculative Philosophy and Skepticism in Maimon's Philosophy: Satz der Bestimmbarkeit and the Role of Synthesis" analyzes this theme in considerable technical detail and relates it to Maimon's philosophy as a whole, and indeed to the "speculative logic" of Hegel and others. This is certainly one of the richest (as well as one of the more challenging) essays in the collection, containing illuminating discussions not only of the principle of determinability, but also of Maimon's highly original notions of "synthesis" and "construction." More accessible is Elhanan Yakira's "From Kant to Leibniz? Salomon Maimon and the Question of Predication," which not only clearly explains the principle in question but convincingly disputes the widespread view that this represents a return to Leibnizian rationalism on the part of Maimon.Maimon's poorly understood theory of "the differential" is the theme of the contribution by Michael Roubach, "Salomon Maimon's Philosophy and its Place in the Enlightenment: Wandering in the Land of Difference," which interprets this notion in the context of the difference between the finite and the infinite intellect and stresses the difference between Maimon's position and that of pre-Kantian rationalism. Unfortunately, Roubach's effort to clarify Maimon's position by comparing it to that of Giles Deleuze is too brief and obscure to be helpful.Though Maimon's relationship to Kant is at least touched on in almost every essay in this collection, it is the explicit theme of four of them, three of which dwell on Maimon's [End Page 119] so-called "quid facti" challenge to Kant's deduction of the categories. Peter Thielke's "Intuition and Diversity: Kant and Maimon on Space and Time" is a very long and philosophically sophisticated examination of Maimon's direct challenge to Kant's "discursivity thesis" regarding the heterogeneity of the faculties of sensibility and understanding. Thielke focuses on Kant's account of space and time as pure forms of intuition and contrasts this with what he calls Maimon's "neglected alternative," viz.: that space and time are not forms of intuition at all, but rather "forms of diversity" and hence features of the function of thinking. In order to explicate this difficult theory, Thielke offers an impressive reconstruction of Maimon's fiendishly obscure idea of the "differentials of pereption" and hence of the fundamentally productive character of the understanding. This provides the theoretical foundation for Maimon's non-dualistic account of the cognitive faculties and his non-causal account of the mind's passivity. Thielke concludes that Maimon's objections, if not sufficient to overturn the discursivity thesis, still undermine the evidence for the same... (shrink)

Kant taught us that there are two kinds of norms: Categorical imperatives that one ought to follow regardless of one's personal aims and circumstances, and hypothetical imperatives that direct us to employ the means towards our chosen ends. Kant's distinction separates two approaches to normative epistemology. On the one hand, we have principles of "inductive rationality", typically supported by considerations such as intuitive plausibility, conformity with exemplary practice, and internal consistency. On the other hand, we may assess rules for (...) forming belief by how well they attain the objectives that motivate inquiry; in Levi's words, "the ends of inquiry control the legitimacy of inferences" [Levi 67, p. 241]. A doctrinaire attitude would ignore one of these perspectives in favour of the other; a balanced approach is to develop both and compare [cf. Helmann 97, Sec.2]. There are three possible relationships between hypothetical and categorical imperatives for empirical inquiry. (shrink)

Salomon Maimon (1753-1800), one of the most fascinating characters of eighteenth-century intellectual history, came from a traditional orthodox Jewish community in Eastern Europe to Berlin to seek Enlightenment. Maimon remained an outsider: an 'Ostjude' among the enlightened Jews in Berlin, a freethinker among observant Jews and a Jew among the non-Jews. His autobiography became a classic of autobiographical literature of the Enlightenment. His 'inter-cultural' experience is reflected in his philosophy. Indebted to the Maimonidean as well as to the modern European (...) (notably Kantian) philosophical tradition, he attempted a synthesis of normally exclusive orientations: 'Rational Dogmatism' and 'Empirical Skepticism'. Maimon's importance in the development from Kant to German Idealism has been acknowledged, but the interpretation of his own philosophical position suffered much from this narrow perspective. The essays of leading scholars collected in this volume focus on his synthesis of 'Rational Dogmatism' and 'Empirical Skepticism'. (shrink)

A foundationalist account of our empirical thinking divides propositions we accept into two classes, basic and derivative, and sees the warrant of derivative propositions as accruing to them through their derivation from basic propositions. Such an account needs to answer two questions: which propositions are basic, and whence do basic propositions acquire their warrant? A natural and ancient answer to these questions is that basic propositions are observational and that these propositions gain their warrant from perceptions. I critically examine (...) this view and also a variant view offered by Wilfrid Sellars. I put forward an alternative conception, dialectical foundationalism, that sees the distinction between the basic and the derivative as issuing from a distinction between two kinds of reasoning, derivational and dialectical. This type of foundationalism provides a more accurate account of our empirical thinking, I argue, than its traditional and Sellarsian counterparts. (shrink)

While supporting the anti-foundational ontological turn in science and technology studies, the author criticizes the tendency towards the radical empiricizationof empirical ontology. The article discusses two crucial arguments against this tendency. On the cognitivist argument, empirical immediacy is inevitably shaped and mediated by non-empirical assumptions. According to the hermeneutic argument—which is of great greater importance—any empirically immediate state of affairs is the upshot of actualizing possibilities projected by interrelated practices upon horizons of practical existence. Thus, what is (...) given as empirical immediacy is ineluctably “produced” within the potentiality for practical being. Following this argument, a non-empirical extension of empirical ontology is suggested. The starting-point of this extension is the integration of radical reflexivity into ethnographic descriptions of multiple realities. A further step consists in the introduction of double hermeneutics to studies of empirical ontology. Finally, the significance of ontological difference for these studies comes under scrutiny. (shrink)

Cushman raises the intriguing possibility that rationalization accesses/constructs intuitions that are not otherwise cognitively available. However, he substantially over-reaches in arguing that rationalization is mostly right on average, based on claims that the process must have emerged adaptively. The adaptiveness of “bounded rationalization” is domain specific and is unlikely to be adaptive in a large number of important applications.

In this chapter, it is described and assessed how political scientists use rational choice theories to offer causal explanations. We observe that the ways in which rational choice theories are considered to be successful in political science differs, depending on the explanandum in question. Political scientists use empirical variants of rational choice theories to explain the political behavior of individual agents and analytical variants to explain the behavior of collective actors. Both variants are used for distinct explananda, which ask (...) for different modes of explanation that raise in turn different explanatory demands toward rational choice theories. We argue that when political scientists discuss the explanatory usefulness of rational choice theories, they should assess them in light of the demands they are supposed to meet. This would enable a more nuanced and problem-oriented appraisal of rational choice theories in political science. (shrink)

Introduction to special issue of Synthese.

Dennett has long maintained that one of the keystones of Intentional Systems Theory is an assumption of rationality. To deploy the Intentional Stance is to presume from the outset that the target of interpretation is rational. This paper examines the history of rationality constraints on mental state ascription. I argue that the reasons that Dennett and his philosophical brethren present for positing rationality constraints are not convincing. If humans are found to be rational, this will not be (...) because a presumption of rationality must be built into the deployment of the Intentional Stance. It will be an empirical finding. Rationality will be an outcome of mental state ascription rather than a condition on ascription. (shrink)

The empirical turn in bioethics has been widely discussed by philosophical medical ethicists and social scientists. The focus of this discussion has been almost exclusively on methodological issues in research, on the admissibility of empirical evidence in rational argument, and on the possible superiority of empirical methods for permitting democratic lay involvement in decision-making. In this paper I consider how the collection of qualitative and quantitative social research evidence plays its part in the construction of social order, (...) and how this creates certain paradoxes for the normative ideal of a public bioethics. The analysis in this paper is based on Foucauldian ideas, and on recent work in the history of the human sciences. The paper closes with some open questions for theoretical work in the sociology and philosophy of bioethics. (shrink)

Broadly speaking, this is a book about truth and the criteria thereof. Thus it is, in a sense, a book about justification and rationality. But it does not purport to be about the notion of justification or the notion of rationality. For the assumption that there is just one notion of justification, or just one notion of rationality, is, as the book explains, very misleading. Justification and rationality come in various kinds. And to that extent, at (...) least, we should recognize a variety of notions of justification and rationality. This, at any rate, is one of the morals of Chapter VI. This book, in Chapters I-V, is mainly concerned with the kind of justification and rationality characteristic of a truth-seeker, specifically a seeker of truth about the world impinging upon the senses: the so-called empirical world. Hence the book's title. But since the prominent contemporary approaches to empirical justification are many and varied, so also are the epistemological issues taken up in the following chapters. For instance, there will be questions about so-called coherence and its role, if any, in empirical justification. And there will be questions about social consensus (whatever it is) and its significance, or the lack thereof, to empirical justification. Furthermore, the perennial question of whether, and if so how, empirical knowledge has so-called founda­ tions will be given special attention. (shrink)

Predictable polarization is everywhere: we can often predict how people’s opinions, including our own, will shift over time. Extant theories either neglect the fact that we can predict our own polarization, or explain it through irrational mechanisms. They needn’t. Empirical studies suggest that polarization is predictable when evidence is ambiguous, that is, when the rational response is not obvious. I show how Bayesians should model such ambiguity and then prove that—assuming rational updates are those which obey the value of (...) evidence—ambiguity is necessary and sufficient for the rationality of predictable polarization. The main theoretical result is that there can be a series of such updates, each of which is individually expected to make you more accurate, but which together will predictably polarize you. Polarization results from asymmetric increases in accuracy. This mechanism is not only theoretically possible, but empirically plausible. I argue that cognitive search—searching a cognitively accessible space for a particular item—often yields asymmetrically ambiguous evidence, I present an experiment supporting its polarizing effects, and I use simulations to show how it can explain two of the core causes of polarization: confirmation bias and the group polarization effect. (shrink)

This paper is the product of an interdisciplinary, interreligious dialogue aiming to outline some of the possibilities and rational limits of supernatural religious belief, in the light of a critique of David Hume’s familiar sceptical arguments -- including a rejection of his famous Maxim on miracles -- combined with a range of striking recent empirical research. The Humean nexus leads us to the formulation of a new ”Common-Core/Diversity Dilemma’, which suggests that the contradictions between different religious belief systems, in (...) conjunction with new understandings of the cognitive forces that shape their common features, persuasively challenge the rationality of most kinds of supernatural belief. In support of this conclusion, we survey empirical research concerning intercessory prayer, religious experience, near-death experience, and various cognitive biases. But we then go on to consider evidence that supernaturalism -- even when rationally unwarranted -- has significant beneficial individual and social effects, despite others that are far less desirable. This prompts the formulation of a ”Normal/Objective Dilemma’, identifying important trade-offs to be found in the choice between our humanly evolved ”normal’ outlook on the world, and one that is more rational and ”objective’. Can we retain the pragmatic benefits of supernatural belief while avoiding irrationality and intergroup conflict? It may well seem that rationality is incompatible with any wilful sacrifice of objectivity. But in a situation of uncertainty, an attractive compromise may be available by moving from the competing factions and mutual contradictions of ”first-order’ supernaturalism to a more abstract and tolerant ”second-order’ view, which itself can be given some distinctive intellectual support through the increasingly popular Fine Tuning Argument. We end by proposing a ”Maxim of the Moon’ to express the undogmatic spirit of this second-order religiosity, providing a cautionary metaphor to counter the pervasive bias endemic to the human condition, and offering a more cooperation- and humility-enhancing understanding of religious diversity in a tense and precarious globalised age. (shrink)

Though not the first to use the term "psychology" (psychologia), ' Christian Wolff did give it currency in the mid-eighteenth century. He was the first to mark off the discipline of empirical psychology and to distinguish it from rational, or theoretical, psychology. This distinction and his conception of the two corresponding methods of conducting psychological inquiry, especially his emphasis on the use of introspection, profoundly inffuenced the course of psychological..