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1.
Marcia Baron 《Journal of applied philosophy》2016,33(4):347-362
This article presents a Kantian alternative to the mainstream approach in ethics concerning the phenomena that are widely thought to require a category of the supererogatory. My view is that the phenomena do not require this category of (Kantian style) imperfect duties. Elsewhere I have written on Kant on this topic; here I shift my focus away from interpretive issues and consider the pros and cons of the Kantian approach. What background assumptions would lean one to favour the Kantian approach and what sorts would lean one to favour the mainstream approach? I also consider the possibility that in institutional contexts, there is a need for the category of the supererogatory. Here, it seems, we do need to know what we really have to do and what is beyond the call of duty; in this context, however, duty is not the Kantian moral notion, but rather is pegged to particular roles, or to the needs of the institution or group or club of which one is a member. But even here, I argue, the notion of the supererogatory is not crucial. 相似文献
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Christian Pillar 《亚里斯多德学会增刊》2001,75(1):195-216
In the first part I discuss the thesis, advanced by John Broome, that intentions are normatively required by all-things-considered judgments about what one ought to do. I endorse this thesis, but remain sceptical about Broome's programme of grounding the correctness of reasoning in formal relations between contents of mental states. After discussing objections to the thesis, I concentrate in the second part on the relation between rational action and rational intention. I distinguish between content-related and attitude-related reasons for propositional attitudes like believing, wanting, and intending something. The former appeal to features of the content of the propositional attitude they are reasons for, the latter would be reasons for a propositional attitude because of features of the propositional attitude as a whole, for example the feature of its being beneficial to believe or to want that p . I try to show that the common philosophical reaction to attitude-related reasons, namely to claim that they are merely content-related reasons in disguise, is mistaken. In its most extreme form such a reaction would fail to respect the first-person character of reasoning which manifests itself in, among other things, the fact that a Moore-sentence and its analogue for intentions cannot be a conclusion of reasoning. In the third part I argue that there are attitude-related reasons for intentions, and, in showing how they influence practical deliberation, I find that their existence can be rendered compatible with the thesis that it is rational to intend to do what one thinks one ought to do. 相似文献
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Recently, several theories of decision making and probability judgment have been proposed that take into account ambiguity (Einhorn and Hogarth, 1985; Gardenfors and Sahlin, 1982). However, none of these theories explains exactly what the psychological causes of ambiguity are or addresses the issue of whether ambiguity effects are rational. In this paper, we define ambiguity as the subjective experience of missing information relevant to a prediction. We show how this definition can explain why ambiguity affects decisions in the ways it does. We argue that there are a variety of rational reasons ambiguity affects probability judgments and choices in the ways it does. However, we argue that the ambiguity effect does not cast doubt on the claim that utility theory is a standard of rational choice. Rather, we suggest that the effect of ambiguity on decisions highlights the fact that utility theory, like any normative model of decision making only prescribes the optimal decision, given what one knows. 相似文献
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Christian Marendaz Frédérique Brenet Théophile Ohlmann Christian Raphel 《Attention, perception & psychophysics》1988,44(5):445-450
This research was undertaken to demonstrate, with correlational evidence, that presenting the rod-and-frame test (RIT) with either limited (tachistoscopic) or unlimited (Oltman’s, 1968, portable RFT) exposure time does not significantly affect the ranking of subjects. The underlying hypothesis is that the intersubject variability of performance on the portable RFT is due essentially to differences in sensitivity to the optostatic vection that appears automatically and almost immediately. Results of the tachistoscopic test show that the effect of angular size of the stimulus is similar to that described in the literature for unlimited time situations, and that subjects’ ranking is very similar regardless of the exposure time (W = .80). However, although a difference is observed between the means of low and high achievers in both types of RFT, intraindividual intertask homogeneity (correlation coefficient) is not verified in each of these subgroups. From these results, one can distinguish two processes in the RFT: the first, vections, has to do with the subject’s postural orientation and seems to playa great role in organizing interindividual differences. The second process, a more cognitive one, has a less striking effect and has to do with the selection of reference frames in perceptual organization. 相似文献
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Christian Astrup 《Integrative psychological & behavioral science》1984,19(3):144-148
A review is presented of studies of higher nervous activity in psychiatric patients. In neuroses and reactive psychoses the basic pathology appears to be centered around the psychogenic complex structures. In addition, neuroses as well as reactive psychoses reveal general disturbances of higher nervous activity. In the schizophrenic and manic depressive psychoses there are indications of disturbances in deep-lying brain structures. Both types of psychoses are heterogeneous groups of clinical conditions. An important task for future experimental studies is to establish the types of disturbances of higher nervous activity in well-defined clinically homogenous groups. The final section deals with prophylactic psychiatry, with special emphasis on Gantt’s suggestions for an international project. 相似文献