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281.
Infants' perception of pictorially specified interposition 总被引:1,自引:0,他引:1
Five- and seven-month-olds were tested for sensitivity to pictorial interposition in two experiments. Reaching was used as the dependent measure. Seven-month-olds gave evidence of sensitivity to pictorial interposition. In both experiments they showed a significant preference to reach for the pictorially nearer side of a flat interposition display which stimulated three overlapping surfaces and showed no reaching preferences when viewing control displays. Five-month-olds' reaching tendencies did not differ significantly between experimental (interposition) and control conditions in the second experiment. This result indicated that their responses may have been due to nonspatial proximal stimulus variables in the displays. Five-month-olds, therefore, gave no evidence of sensitivity to pictorial interposition. The finding that 7-month-olds are sensitive to pictorial interposition and the failure to find sensitivity in 5-month-olds is consistent with findings from other studies on infants' sensitivity to pictorial depth information. The cumulative results of these studies suggest that sensitivity to pictorial depth information first appears between 5 and 7 months of age. 相似文献
282.
In a one-way avoidance learning situation with rats, response prevention trials facilitated extinction as an increasing function of the duration of the prevention interval for shock levels below 1.8 mA. For 1.8 mA, extinction was a nonmonotonic function of the response prevention interval, with 15- and 210-sec durations showing the most facilitation of extinction. For all response prevention intervals except 15 sec, trials to extinction was a direct function of shock level. For 15 sec, it was an inverse function of shock level. The unexpected interaction of shock level with prevention interval was explained by invoking the concept of relief. 相似文献
283.
Semantic retrieval was examined in second graders under an induced imagery and a control condition. Two types of animal properties, perceptual and functional, were presented to children for verification. Properties were high and low in rated association strength; the size of the property (i.e., large vs small) was also manipulated in the case of perceptual meaning. Results suggest that young children rely on imagery in semantic retrieval; however, second graders are also adept at processing functional as well as perceptual meaning, and at using an abstract memory accessing system. Thus, considerable flexibility is evidenced by subjects in semantic retrieval. 相似文献
284.
Youngjai C. Kim 《Brain and language》1976,3(4):507-515
Temporal sequencing of verbal materials (digits, words, and geometric forms) presented in two sensory modalities (auditory and visual) to three groups of subjects (Broca's with left anterior lesions, patients with right hemisphere lesions, and normals) was examined. Each subject was asked to point to a set of stimuli in the same sequence as presented by the examiner. Results indicated that patients with left hemisphere lesions were more impaired on all tasks than the right hemisphere lesioned patients who, in turn, were impaired compared to normal controls. Response to auditory presentation was superior to response to visual presentation. Also, digits were the easiest for all groups, and words were easier than geometric forms. Of special interest was the finding which suggested that right hemisphere lesions are associated with impairment of verbal temporal sequencing under either auditory or visual presentation. 相似文献
285.
Gross inspection of 30 human brains (60 hemispheres) from patients without hearing impairment revealed the following configurations of gyri: one on left and two on right (14 of 30); two on left and two on right (11 of 30); one on left and one on right (3 of 30); two on left and one on right (1 of 30); and two on left and three on right (1 of 30). The last group has since been extended to include all combinations other than the first four and the proportions of these combinations appear to persist in larger tallies. Thirteen of the 30 brains displayed double gyri on the left while 25 had double gyri on the right. Seventeen of the 30 brains possessed a single gyrus on the left and four specimens had a single gyrus on the right. In general, the left side has a tendency to fewer gyral markings. The average cortical surface area on the left is 1198 mm2 compared to 1380 on the right. 相似文献
286.
Two experiments were designed to demonstrate the existence of a self-fulfilling prophecy mediated by nonverbal behavior in an interracial interaction. The results of Experiment 1, which employed naive, white job interviewers and trained white and black job applicants, demonstrated that black applicants received (a) less immediacy, (b) higher rates of speech errors, and (c) shorter amounts of interview time. Experiment 2 employed naive, white applicants and trained white interviewers. In this experiment subject-applicants received behaviors that approximated those given either the black or white applicants in Experiment 1. The main results indicated that subjects treated like the blacks of Experiment 1 were judged to perform less adequately and to be more nervous in the interview situation than subjects treated like the whites. The former subjects also reciprocated with less proximate positions and rated the interviewers as being less adequate and friendly. The implications of these findings for black unemployment were discussed. 相似文献
287.
The competence-reinforcement model of attraction (Byrne & Clore, 1967) theorizes that interpersonal disagreements produce negative affect and decrements in personal competence. Subject dislike for disagreeing strangers has been a frequent and reliable finding, but the theoretical issue of whether disagreements elicit negative affect because they threaten one's sense of personal competence has been less thoroughly investigated. The present study examines the relationship between attitude disagreements and self-esteem. On the basis of the competence-reinforcement model of attraction it was hypothesized that disagreements would produce decrements in selfesteem, and that the decrements would be most pronounced among subjects expressing the greatest dislike for the disagreeing stranger. Both hypotheses were supported, and it was concluded that the competence-reinforcement model provides an adequate account of both attraction and self-esteem loss. 相似文献
288.
289.
Samuel Juni 《Journal of Vocational Behavior》1981,19(1):78-83
The field of vocational psychology is replete with schemata for the determinants of career choice in adulthood (e.g., A. Roe, The psychology of occupations. New York: Wiley, 1956; D. E. Super, The psychology of careers. New York: Harper &Row, 1957; J. O. Crites, Vocational psychology: The study of vocational behavior and development. New York: McGraw-Hill, 1969). A view not given much weight in empirical research in this area is that of psychoanalytic theory relating career choice to unresolved childhood conflicts and their derivatives. To examine the validity of this psychoanalytic prediction, students' Rorschach protocols were analyzed to yield an index of frustrated oral needs. The students were given decks of careers to rank from most to least preferable. Results showed that the ranking of the oral careers was a function of the Rorschach index of frustrated oral needs for women only but not for men. 相似文献
290.
Two investigations examined the determinants of correspondence between attitudes and behaviors. The first investigation examined the relationship between previously measured attitudes toward affirmative action and subsequent behavioral verdicts in a sex discrimination court case. In this basic situation, correspondence between measured attitudes and judicial decision-making behavior was minimal, for both low-self-monitoring individuals and high-self-monitoring individuals. Increasing the availability of attitudes generated substantial correspondence between attitudes and behavior for low-self-monitoring individuals, but not for high-self-monitoring individuals. Increasing the relevance of attitudes generated substantial correspondence between attitudes and behavior for both low-self-monitoring individuals and high-self-monitoring individuals. The second investigation examined the decisions of individuals with favorable attitudes toward psychological research to volunteer to participate in extra sessions of a psychology experiment. Once again, increasing the relevance of attitudes was an effective procedure for inducing individuals to translate existing attitudes into corresponding behaviors. These empirical outcomes are interpreted within a theoretical framework that specifies the interactive contributions of availability, relevance, and self-monitoring to the creation of “action structures” that link attitudes and behavior. Practical implications of this viewpoint are discussed. 相似文献