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821.
Attentional bias to threat is well established, however, the influence of spatial predictability on this attentional bias has never been investigated. Here we investigated how threat affects attentional capture and disengagement when its spatial location is predictable. Using a visual search paradigm, participants were required to identify a target inside one of a variable number of colored circles. One color (Conditioned Stimulus, CS+) was fear-conditioned using an electrocutaneous stimulus at tolerance level. In the experimental group the CS+ was made spatially predictable (occurred more often at one location in the visual display), while this was not the case in the control group. Results showed no complete automatic capture of attention by the CS+, but the experimental group did show more prioritization of the CS+ and less difficulty to disengage from the CS+ than the control group. Of further importance was the finding that the experimental group also attended to the location that was predictive of the CS+, even when no CS+ was presented. Findings are discussed in terms the effects of predictability on anxiety. 相似文献
822.
Karin Proost Bert Schreurs Karel De Witte Eva Derous 《Journal of applied social psychology》2010,40(9):2155-2169
This paper investigates the relative effectiveness of the use of 2 impression‐management tactics—ingratiation and self‐promotion—on interviewers' evaluations of an applicant in a laboratory setting. It was suggested that the use of a single tactic would be better than the use of no tactic; that the use of self‐promotion would be more successful than the use of ingratiation; and, finally, that the use of a combination of tactics would lead to the best evaluations. Results were largely in line with our hypotheses. Interviewer ratings and action recommendations were more positive in the combination condition, followed by the self‐promotion condition, the ingratiation condition, and the neutral condition. Theoretical and practical implications are discussed. 相似文献
823.
824.
This paper examines explanations for human artistic behavior in two reductionist research programs, cognitive neuroscience and evolutionary psychology. Despite their different methodological outlooks, both approaches converge on an explanation of art production and appreciation as byproducts of normal perceptual and motivational cognitive skills that evolved in response to problems originally not related to art, such as the discrimination of salient visual stimuli and speech sounds. The explanatory power of this reductionist framework does not obviate the need for higher-level accounts of art from the humanities, such as aesthetics, art history or anthropology of art. 相似文献
825.
David Magis Sébastien Béland Francis Tuerlinckx Paul De Boeck 《Behavior research methods》2010,42(3):847-862
Differential item functioning (DIF) is an important issue of interest in psychometrics and educational measurement. Several
methods have been proposed in recent decades for identifying items that function differently between two or more groups of
examinees. Starting from a framework for classifying DIF detection methods and from a comparative overview of the most traditional
methods, an R package for nine methods, called difR, is presented. The commands and options are briefly described, and the package is illustrated through the analysis of a data
set on verbal aggression. 相似文献
826.
Criteria of identity should mirror the identity relation in being reflexive, symmetrical, and transitive. However, this logical requirement is only rarely met by the criteria that we are most inclined to propose as candidates. The present paper addresses the question how such obvious candidates are best approximated by means of relations that have all of the aforementioned features, i.e., which are equivalence relations. This question divides into two more basic questions. First, what is to be considered a ‘best’ approximation. And second, how can these best approximations be found? In answering these questions, we both rely on and constructively criticize ground-breaking work done by Timothy Williamson. Guiding ideas of our approach are that we allow approximations by means of overlapping equivalence-relations, and that closeness of approximation is measured in terms of the number of mistakes made by the approximation when compared to the obvious candidate criterion. 相似文献
827.
Joel Brockner David De Cremer Kees van den Bos Ya-Ru Chen 《Organizational behavior and human decision processes》2005,96(2):142-167
Various theories have been shown to account for the effects of procedural fairness on people’s attitudes and behaviors. We propose that a logical next step for organizational justice researchers is to delineate not whether, but rather when certain explanations are likely to account for people’s reactions to procedural fairness information. Accordingly, the present research tested the hypothesis that social psychological explanations would be particularly applicable to people high in interdependent self-construal. As predicted, the results of three studies showed that interdependent self-construal (ISC) moderated the relationship between procedural fairness and a variety of dependent variables (cooperation, positive affect, and desire for future interaction with the other party). In different types of interpersonal encounters (social dilemmas, reward allocations, and negotiations), procedural fairness had more of an influence on participants’ reactions among those high rather than low in ISC. Theoretical implications are discussed. 相似文献
828.
Jan De Houwer 《Learning and motivation》2006,37(2):176-187
Implicit measures such as the Implicit Association Test (IAT) have recently become popular as tools in research on evaluative conditioning. The reason is that these measures are thought to be impervious to changes in valence that are due to conscious propositional knowledge about the relation between the conditioned stimulus (CS) and the unconditioned stimulus (US). I present data that raise doubts about the validity of this assumption. In two experiments, attitudes towards CSs as measured by the IAT were in line with instructed CS-US contingencies even though the CSs and USs were never actually paired. The results therefore suggest that IAT effects can be biassed by conscious propositional knowledge. 相似文献
829.
Herman C.D.G. De Regt 《Journal for General Philosophy of Science》2006,37(1):21-39
Summary Take the following version of scientific realism: we have good reason to believe that (some of the) current scientific theories tell us something specific about the underlying, i.e. unobservable, structures of the world, for instance that there are electrons with a certain electric charge, or that there are viruses that cause certain diseases. Popper, the rationalist, would not have adhered to the proposed formulation of scientific realism in terms of the rationality of existential beliefs concerning unobservables. Popper did not believe in belief. According to Van Fraassen, the empiricist, one may yet have a rational existential belief concerning unobservables, given a liberal notion of rationality of belief. In this paper I will investigate to what extent a reassessment of both Popper’s rejection of the rationality of belief and Van Fraassen’s reformulation of the rationality of belief, points towards a new and pragmatist dissolution of the ‘problem of scientific realism’. 相似文献
830.
Sufficient conditions for uniqueness in Candecomp/Parafac and Indscal with random component matrices
A key feature of the analysis of three-way arrays by Candecomp/Parafac is the essential uniqueness of the trilinear decomposition.
We examine the uniqueness of the Candecomp/Parafac and Indscal decompositions. In the latter, the array to be decomposed has
symmetric slices. We consider the case where two component matrices are randomly sampled from a continuous distribution, and
the third component matrix has full column rank. In this context, we obtain almost sure sufficient uniqueness conditions for
the Candecomp/Parafac and Indscal models separately, involving only the order of the three-way array and the number of components
in the decomposition. Both uniqueness conditions are closer to necessity than the classical uniqueness condition by Kruskal.
Part of this research was supported by (1) the Flemish Government: (a) Research Council K.U. Leuven: GOA-MEFISTO-666, GOA-Ambiorics,
(b) F.W.O. project G.0240.99, (c) F.W.O. Research Communities ICCoS and ANMMM, (d) Tournesol project T2004.13; and (2) the
Belgian Federal Science Policy Office: IUAP P5/22. Lieven De Lathauwer holds a permanent research position with the French
Centre National de la Recherche Scientifique (C.N.R.S.). He also holds an honorary research position with the K.U. Leuven,
Leuven, Belgium. 相似文献