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11.
Bas Verplanken Henk Aarts Ad Van Knippenberg 《European journal of social psychology》1997,27(5):539-560
Three studies examined the role of habit on information acquisition concerning travel mode choices. On the basis of Triandis' (1980) model of attitude–behaviour relations it was expected that habit strength attenuates the elaborateness of choice processes. The studies focused on different phases in the choice process, namely the appreciation of situational cues and appreciation of choice option information. In line with expectations, it was found that, compared to weak habit participants, those who had a strong habit towards choosing a particular travel mode acquired less information and gave evidence of less elaborate choice strategies. It was attempted to break effects of habit by manipulating either accountability demands or level of attention. Although accountability demands raised the level of information acquisition, no interactions with habit were found. Enhanced attention to the choice process initially did override habit effects in a series of choice trials. However, in spite of this manipulation, chronic habit effects emerged during later trials. The results demonstrate the profound effects that habit may have on the appreciation of information about choice situations and choice options. ©1997 John Wiley & Sons, Ltd. 相似文献
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Bas C. Van fraassen 《Philosophical Studies》2004,121(2):171-192
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Bas C. van Fraassen 《Ratio》2004,17(4):453-477
I exist, but I am not a thing among things; X exists if and only if there is something such that it=X. This is consistent, and it is a view that can be supported. Calvino’s novel The Non‐Existent Knight can be read so as to illustrate this view. But what is my relation to the things there are if I am not identical with any of them – things such as my arms, my garden, the city I live in? I name this the Gurduloo problem, after the Knight’s page. This relation must be one that admits of degrees; I suggest that we say that I manifest myself through the things thus associated with me. Several pseudo‐problems, pertaining to volitional action, supervenience, observability, and the emergence of consciousness, dissolve upon inspection. 相似文献
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Negative body image thinking can be broken down into cognitive content (body dissatisfaction thoughts) and the way such thoughts occur. The present study focused on negative body image thinking as mental habit, i.e., the degree to which such thinking occurs frequently and automatically [Verplanken, Friborg, Wang, Trafimow, & Woolf, 2007]. In a sample of 250 adolescents (age 12-15) it was found that negative body image thinking habit uniquely accounted for variance in self-esteem and eating disturbance propensity over and above body image dissatisfaction. Considering negative body image thinking as a mental habit contributes to a deeper understanding of body dissatisfaction in adolescents, and may have implications for interventions to deal with such attitudes and their potentially harmful consequences. 相似文献
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Bas C. van Fraassen 《Topoi》2006,25(1-2):123-127
Looking back from 2049 over one-hundred and fifty years of philosophy, a student's essay reveals what became of rival strands in Western philosophy – with a sidelong glance at the special Topoi issue on the theme “Philosophy: What is to be Done?” that was published almost half a century earlier. 相似文献
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In a broad class of item response theory (IRT) models for dichotomous items the unweighted total score has monotone likelihood ratio (MLR) in the latent trait. In this study, it is shown that for polytomous items MLR holds for the partial credit model and a trivial generalization of this model. MLR does not necessarily hold if the slopes of the item step response functions vary over items, item steps, or both. MLR holds neither for Samejima's graded response model, nor for nonparametric versions of these three polytomous models. These results are surprising in the context of Grayson's and Huynh's results on MLR for nonparametric dichotomous IRT models, and suggest that establishing stochastic ordering properties for nonparametric polytomous IRT models will be much harder.Hemker's research was supported by the Netherlands Research Council, Grant 575-67-034. Junker's research was supported in part by the National Institutes of Health, Grant CA54852, and by the National Science Foundation, Grant DMS-94.04438. 相似文献
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Bas C. van Fraassen 《Synthese》1972,24(1-2):87-95
Conclusion I have so far ignored Earman's Section IV in which spatiotemporal coincidence is discussed. The answer will be clear from the preceding: the exact definitions and principles of the exact theories we have displayed are to be discussed with reference to the special and not the general theory of relativity. But moreover, Earman's transition from (C) to (1) assumes what we do not grant: that events are causally connectible exactly if the points in the mathematical space-time at which they are located are linked by a causal curve.This captures in a nutshell my own conclusions. The first is that the causal theory, after its success vis-à-vis the STR, must now provide a detailed analysis of spatiotemporal concepts in the GTR. The second is that the points raised by Earman do not provide substantive reasons for doubting the adequacy of the causal theory to this task, because Earman insists in his extrapolations on a much closer relation between the empirical structure of events and the mathematical structures that model it than ought to be assumed.I wish to acknowledge gratefully my debt to Dr. A. Grünbaum, University of Pittsburgh, to Dr. C. Glymour, Princeton University, and to the support of the John Simon Guggenheim Memorial Foundation. 相似文献
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