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181.
Wolfgang Prinz 《Attention, perception & psychophysics》1979,25(2):137-142
Specific practice in a visual search task can result either in a selective elaboration of the feature lists of the task stimuli or in a selective emphasis of their status within the task (targets vs. nontargets). According to the first explanation, which is related to the differentiation principle of perceptual learning, specific practice enhances the operation of stimulus identification. According to the second explanation, which is related to the enrichment principle of perceptual learning, it enhances the operation of response selection. Evidence from two transfer experiments with a reversal paradigm argues in favor of the second view, at least for tasks with easily codable letter stimuli. The results are discussed in the framework of a recent model of information integration in visual search. 相似文献
182.
Wolfgang Heydrich 《Synthese》1993,95(1):77-94
Nelson Goodman's proposal for a reconception of meaning consists in replacing the absolute notion ofsameness of meaning by that oflikeness of meaning (with respect to pertinent contexts). According to this view, synonymy is a matter of degree (of interreplaceability) with identity of expression as a limiting case. Goodman's demonstration that no two expressions are exactly alike in meaning is shown to be unsuccessful. Although it does not make use of quotational contexts for the test of interreplaceability, it is tantamount to their acceptance. Goodman rejects quotational contexts; I argue that they should be accepted. This move offers two advantages.Firstly, and mainly, it allows interlinguistic comparison of meaning, something that has not been deemed possible in the received version of Goodman's account.Secondly, it restores the full scale of likeness of meaning damaged by the renunciation of those contexts that guarantee difference in meaning for diverse expressions.The problems [the paper On Likeness of Meaning] deals with do not seem to me to have quite the paramount importance that is commonly attached to them these days. (Goodman, 1954, p. 54)The subversive power of a radical reorganization of categories should not be underestimated. (Goodman, 1983, p. 2)2
Thanks to Oliver R. Scholz and Lorenz Lorenz-Meyer for valuable discussions and advice. Thanks to Geoff Simmons for checking my English. Israel Scheffler and Rolf Eberle both read a preliminary version of this paper. My thanks for their criticism and encouragement. 相似文献
183.
Aging and temporal discrimination of brief auditory intervals 总被引:1,自引:0,他引:1
Summary In a duration-discrimination experiment, young adults (mean age = 25.1), middle-aged adults (mean age = 45.5), and older adults (mean age = 64.6) were presented with two very brief auditorily marked intervals per trial, and their task was to decide which of the two was longer in duration. An adaptive psychophysical procedure was used to determine difference thresholds in relation to a constant standard interval of 50 ms. It was found that duration-discrimination performance was unaffected by age; all three age groups yielded a difference threshold of approximately 17 ms. It was concluded that the ability to discriminate durations of very brief auditory intervals appears to be based on an underlying timing mechanism that does not slow down with advancing adult age. 相似文献
184.
Wolfgang Stroebe Margaret S. Stroebe Georgios Abakoumkin 《Journal of community & applied social psychology》1999,9(1):1-12
A study of a sample of bereaved and married individuals tested the prediction from stress theory that sex differences in bereavement outcome are due to differences in social support extended to the bereaved. Previous research had established that compared to same‐sex married controls, widowers suffer greater health deterioration following the death of a spouse than widows. Although there is some evidence that widows receive more social support than widowers, it has never been tested empirically whether differential social support is responsible for the sex difference in bereavement outcome. Two sets of tests were conducted to examine these hypotheses: first, sex differences in bereavement outcome and in the social support perceived by the bereaved were assessed by means of sex×marital status ANOVAs on depressive symptomatology, loneliness and social support; second, an ANCOVA was used to assess whether the marital status×sex interaction on distress was substantially reduced or eliminated when social support was used as a covariate. Although there was evidence of the expected sex differences in bereavement outcome and social support, there was no evidence that social support mediates the sex differences in bereavement outcome. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
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Wolfgang Ludwig Schneider 《Human Studies》2000,23(2):123-144
With reference to Mead, Peirce, speech act theory, conversation analysis, and Luhmann's phenomenological grounded version of systems theory, the paper tries to reconstruct actions as products of communication. A triadic sequence is identified as the elementary unit for the intersubjective constitution of an act. This unit combines three achievements: (a) the constitution of meaning by sequential attribution, (b) the intersubjective coordination of attributed meanings, and (c) the reproduction of rules, guiding the process of constitution and coordination of attributed meanings. Then, using the tools of systems theory and applying them to empirical results of ethnomethodology and conversation analysis, it is shown how the rule scheme is integrated in a triadic sequence, functioning on three different levels of communication. Finally, a specific form of repair after next turn is discussed, relating it to the function of preserving the structure of conversational types. The analysis of such conversational types opens a possible realm of cooperation between conversation analysis and Luhmann's version of systems theory. 相似文献
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Patterns of mean-level change in personality traits across the life course: a meta-analysis of longitudinal studies 总被引:9,自引:0,他引:9
The present study used meta-analytic techniques (number of samples = 92) to determine the patterns of mean-level change in personality traits across the life course. Results showed that people increase in measures of social dominance (a facet of extraversion), conscientiousness, and emotional stability, especially in young adulthood (age 20 to 40). In contrast, people increase on measures of social vitality (a 2nd facet of extraversion) and openness in adolescence but then decrease in both of these domains in old age. Agreeableness changed only in old age. Of the 6 trait categories, 4 demonstrated significant change in middle and old age. Gender and attrition had minimal effects on change, whereas longer studies and studies based on younger cohorts showed greater change. 相似文献