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91.
James R. Pomerantz David M. Goldberg Patrick S. Golder Sheldon Tetewsky 《Attention, perception & psychophysics》1981,29(6):605-611
Subjective contours were compared with objective contours in their ability to facilitate performance in speeded tasks that required judging the position of a dot or the slope of a line segment relative to the contour. Subjective contours were found to reduce both reaction times and error rates for dot localization but not for the more difficult slope discrimination task. These results add to the growing body of evidence suggesting that subjective contours have functional properties similar to those of objective contours. 相似文献
92.
Patrick Suppes Michael Cohen Robert Laddaga James Anliker Robert Floyd 《Journal of mathematical psychology》1983,27(4):341-369
A procedural theory of eye movement that accounts for main features of the stochastic behavior of eye-fixation durations and direction of movement of saccades in the process of solving arithmetic exercises of addition and subtraction is presented. The best-fitting distribution of fixation durations with a relatively simple theoretical justification consists of a mixture of an exponential distribution and the convolution of two exponential distributions. The eye movements themselves were found to approximate a random walk that fits rather closely in both adult and juvenile subjects the motion postulated by the normative algorithm ordinarily taught in schools. Certain structural features of addition and subtraction exercises, such as the number of columns, the presence or absence of a carry or a borrow, are well known to affect their difficulty. In this study, regressions on such structural variables were found to account for only a relatively small part of the variation in eye-fixation durations. 相似文献
93.
94.
Most dichotic listening experiments permit subjects to deploy attention in any way they choose. We argue that this adds uncontrolled variance to the observed right-ear advantage. In the first experiment, more robust laterality effects were obtained in an identification task with focused than with divided attention. Such differences were not found in the second experiment, when a detection procedure was used. Virtually all the laterality effect observed in the second study could be attributed to subjects who were biased attenders, in the sense that they exhibited more intrusions from the right ear to the left than vice versa. However, rather than indicating that laterality effects are simply attentional bias, this effect can be attributed to an asymmetry of perceptual discrimination. 相似文献
95.
Patrick C. L. Heaven 《Personality and individual differences》1983,4(6):693-694
In the present study scores on Ray's Directiveness scale were subjected to Varimax rotation. Three factors explaining more than 50% of the variance of authoritarianism were interpreted and labelled Submissiveness, Dominance and Aggressiveness, respectively. Although these are in line with Ray's earlier conception of the nature of authoritarianism and do, to some extent, support other findings, it is suggested that the Directiveness scale be expanded to accommodate more characteristics of authoritarianism such as rigidity, hostility and superstitiousness. 相似文献
96.
Patrick T.W. Hudson 《Acta psychologica》1983,53(2):163-169
The article by Wilcox and Edwards (1982) is discussed in terms of the notion of a Physics necessary for an explanatory theory of Perception. Phenomenological explanations, while true, are rejected as lacking explanatory adequacy. Some examples of succesful computational theories, covering the phenomena Gibson considered basic to an Ecological Physics, are given which are based upon a classical optics. 相似文献
97.
The discussions which follow rest on a distinction, first expounded by Husserl, between formal logic and formal ontology. The former concerns itself with (formal) meaning-structures; the latter with formal structures amongst objects and their parts. The paper attempts to show how, when formal ontological considerations are brought into play, contemporary extensionalist theories of part and whole, and above all the mereology of Leniewski, can be generalised to embrace not only relations between concrete objects and object-pieces, but also relations between what we shall call dependent parts or moments. A two-dimensional formal language is canvassed for the resultant ontological theory, a language which owes more to the tradition of Euler, Boole and Venn than to the quantifier-centred languages which have predominated amongst analytic philosophers since the time of Frege and Russell. Analytic philosophical arguments against moments, and against the entire project of a formal ontology, are considered and rejected. The paper concludes with a brief account of some applications of the theory presented. 相似文献
98.
Self-Consciousness and Strategic Self-Presentation 总被引:1,自引:0,他引:1
ABSTRACT People who are publicly self-conscious have been characterized as being especially concerned about their social identities and oriented toward gaining approval and avoiding disapproval. In two experiments, it was found that “pure publics” (i.e., those high in public and low in private self-consciousness) were the most concerned about matching their deeds and words. These subjects presented themselves to a partner consistently with their publicly known, prior performance on a supposedly valid test of social sensitivity. However, they presented themselves in a uniformly positive manner if the test could be dismissed as invalid and/or if their performance was unknown. In contrast, subjects low in public or high in private self-consciousness did not display these strategic patterns and presented themselves positively in all cases. Pure publics are thus the most likely to engage in patterns of self-presentation that have been shown to maximize approval and minimize disapproval in social interactions. 相似文献
99.
Word repetitions in sentence recognition 总被引:1,自引:0,他引:1
When some items on a list are strengthened by extra study time or repetitions, recognition of other, unrelated, list items is not harmed (Ratcliff, Clark, & Shiffrin, 1990). Shiffrin, Ratcliff, and Clark (1990) accounted for this list-strength finding with a model assuming that different items are stored separately in memory, but that repetitions are accumulated together into a single stronger memory trace. Repeating words in the context of different sentences might cause separate storage of the repetitions of a given word, because either word or sentence traces are stored separately. Separate storage would, in effect, convert a list-strength manipulation into a list-length manipulation and thereby induce a positive list-strength effect. In Experiment 1, this result was produced for single-word recognition and for two types of sentence recognition. In Experiment 2, both words and sentences were repeated together, which should have caused repetitions to be stored in a single, stronger, trace. As expected, the list-strength effect was eliminated. A sentence trace model was fit to the data, supporting the account of Shiffrin et al. (1990) and supporting an account of word and sentence recognition in which activation is summed for representations of all list items. The results from the two studies are inconsistent with most current models of memory (as shown by the theoretical analyses of Shiffrin et al., 1990) and pose an additional challenge for theory. 相似文献
100.
Steve W. J. Kozlowski J. Kevin Ford 《Organizational behavior and human decision processes》1991,49(2)
Research on performance ratings has tended to neglect factors affecting raters' acquisition of ratee performance information. The present research examined the dynamic effects of this rater information acquisition process. Study 1 examined the effects of prior ratee knowledge (familiarity) and ratee performance level on subsequent acquisition of ratee performance information under varying levels of constraint. After exposure to prior ratee information, raters acquired additional information concerning a set of ratees using a computer controlled information board procedure. The results indicated significant effects on the amount of search for prior knowledge, search constraint, and the interaction between prior knowledge and performance level. Study 2 extended the research by including a memory component (time delay) between the exposure to prior information and subsequent search. Results were congruent with Study 1. They indicated significant main effects on the amount of search for prior knowledge, ratee performance level, search constraint, and on the interaction between prior knowledge and performance level. In addition, the results indicated a significant interaction between memory demand and prior knowledge. Implications of these results, limitations, and extensions of this research approach are discussed. 相似文献