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91.
Mou and McNamara (2002) have recently theorized that nonegocentric reference frames (viz., intrinsic reference frames, based
on the spatial structure of a configuration of objects) are used to organize spatial relationships in memory. The theory has
not made claims about whether the intrinsic structure of a stimulus array is necessary or sufficient for such nonegocentric
coding. We demonstrate that salient intrinsic axes in a layout of objects are neither necessary nor sufficient for people
to use a nonegocentric reference frame in organizing spatial memory. In Experiment 1, participants were successfully instructed
to adopt a nonegocentric preferred direction in memory for an array of objects with no salient intrinsic reference axes. In
Experiment 2, with no instructions, participants adopted an egocentric preferred direction for an array with a salient intrinsic
axis. These results suggest that physically salient array structure exerts a minimal influence in the coding of spatial memory
through nonegocentric reference frames. 相似文献
92.
Correcting distance estimates by interacting with immersive virtual environments: effects of task and available sensory information 总被引:1,自引:0,他引:1
The tendency to underestimate egocentric distances in immersive virtual environments (VEs) is not well understood. However, previous research (A. R. Richardson & D. Waller, 2007) has demonstrated that a brief period of interaction with the VE prior to making distance judgments can effectively eliminate subsequent underestimation. Here the authors examine the mechanism underlying the effect of VE interaction and the conditions that may give rise to it. In Experiment 1, after interacting with an immersive VE, participants tended to overestimate distances in the physical world, indicating that the interaction involved a recalibration of the perceptual-motor system. Experiment 2 demonstrates that visual information is not necessary (and that body-based information is necessary) during the interaction period for it to have a positive effect on subsequent distance estimation accuracy. Experiment 3 illustrates that the interaction task does not need to be goal directed in order to be effective. 相似文献
93.
No S Hong YY Liao HY Lee K Wood D Chao MM 《Journal of personality and social psychology》2008,95(4):991-1004
People may hold different understandings of race that might affect how they respond to the culture of groups deemed to be racially distinct. The present research tests how this process is moderated by the minority individual's lay theory of race. An essentialist lay theory of race (i.e., that race reflects deep-seated, inalterable essence and is indicative of traits and ability) would orient racial minorities to rigidly adhere to their ethnic culture, whereas a social constructionist lay theory of race (i.e., that race is socially constructed, malleable, and arbitrary) would orient racial minorities to identify and cognitively assimilate toward the majority culture. To test these predictions, the authors conducted 4 studies with Asian American participants. The first 2 studies examine the effect of one's lay theory of race on perceived racial differences and identification with American culture. The last 2 studies tested the moderating effect of lay theory of race on identification and assimilation toward the majority American culture after this culture had been primed. The results generally supported the prediction that the social constructionist theory was associated with more perceived similarity between Asians and Americans and more consistent identification and assimilation toward American culture, compared with the essentialist theory. 相似文献
94.
Niels G. Waller 《Psychometrika》2008,73(4):691-703
Every set of alternate weights (i.e., nonleast squares weights) in a multiple regression analysis with three or more predictors
is associated with an infinite class of weights. All members of a given class can be deemed fungiblebecause they yield identical SSE (sum of squared errors) and R
2 values. Equations for generating fungible weights are reviewed and an example is given that illustrates how fungible weights
can be profitably used to evaluate parameter sensitivity in multiple regression.
The author wishes to thank Drs. Robyn Dawes, William Grove, Markus Keel, Leslie Yonce, Joe Rausch, the editor, and three anonymous
reviewers for helpful comments on earlier versions of this article. 相似文献
95.
View combination in scene recognition 总被引:1,自引:0,他引:1
Becoming familiar with an environment requires the ability to integrate spatial information from different views. We provide evidence that view combination, a mechanism believed to underlie the ability to recognize novel views of familiar objects, is also used to recognize coherent, real-world scenes. In two experiments, we trained participants to recognize a real-world scene from two perspectives. When the angular difference between the learned views was relatively small, the participants subsequently recognized novel views from locations between the learned views about as well as they recognized the learned views and better than novel views situated outside of the shortest distance between the learned views. In contrast, with large angles between training views, all the novel views were recognized less well than the trained views. These results extend the view combination approach to scenes and are difficult to reconcile with models proposing that scenes are recognized by transforming them to match only the nearest stored view. 相似文献
96.
Facial expression is heralded as a communication system common to all human populations, and thus is generally accepted as a biologically based, universal behavior. Happiness, sadness, fear, anger, surprise, and disgust are universally recognized and produced emotions, and communication of these states is deemed essential in order to navigate the social environment. It is puzzling, however, how individuals are capable of producing similar facial expressions when facial musculature is known to vary greatly among individuals. Here, the authors show that although some facial muscles are not present in all individuals, and often exhibit great asymmetry (larger or absent on one side), the facial muscles that are essential in order to produce the universal facial expressions exhibited 100% occurrence and showed minimal gross asymmetry in 18 cadavers. This explains how universal facial expression production is achieved, implies that facial muscles have been selected for essential nonverbal communicative function, and yet also accommodate individual variation. 相似文献
97.
A Metacompatibilist Account of Free Will: Making Compatibilists and Incompatibilists More Compatible
The debate over free will has pittedlibertarian insistence on open alternativesagainst the compatibilist view that authenticcommitments can preserve free will in adetermined world. A second schism in the freewill debate sets rationalist belief in thecentrality of reason against nonrationalistswho regard reason as inessential or even animpediment to free will. By looking deeperinto what motivates each of these perspectivesit is possible to find common ground thataccommodates insights from all those competingviews. The resulting metacompatibilist view offree will bridges some of the differencesbetween compatibilists and incompatibilists aswell as between rationalists andnonrationalists, and results in a free willtheory that is both more philosophicallyinclusive and more firmly connected tocontemporary research in psychology andbiology. 相似文献
98.
Bruce N. Waller 《Ratio》2003,16(2):189-197
Pragmatists (such as William James) recommend optimism as a successful strategy, and recent psychological research has confirmed its value. But optimism comes at a price: optimists are less accurate in their assessments and expectations than are pessimists. Thus optimism 'proves itself to be good in the way of belief', and by pragmatic standards should count as true; but that makes the accuracy costs of optimism invisible (the problem is only exacerbated by Rorty's recommendation that pragmatists stop speaking of truth altogether). The problem prevents pragmatists from offering a Darwinian explanation of why pessimism survives, and also blocks any pragmatist account of the well-documented and highly successful exploratory behavior of many animal species. 相似文献
99.
Laurence van Hanswijck de Jonge Glenn Waller 《Personality and individual differences》2003,34(8):1447-1451
Previous studies have indicated that perfectionism levels are higher among African-American females than among Caucasians. However, this conclusion has been reached largely from studies of adult populations. The present study of adolescents assesses whether this difference is found in all aspects of perfectionism, and whether it applies equally to males and females. The Multi-dimensional Perfectionism Scale was completed by 387 high school students (15–19 years). African-American males and females had greater levels of self-oriented and other-oriented perfectionism than their Caucasian peers, but there was no difference in the perception of external pressures to perform well. Possible reasons for this pattern are discussed, with an emphasis on the possibility that African-American adolescents perceive a need to overcorrect their performance as a result of their perceived status in their broader society. 相似文献
100.