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Empirical investigations of conditional reasoning have generally found that both children and young adults perform poorly on tasks that require the selection or evaluation of those propositions that test the truth status of conditional statements (if p then q). Earlier work (D. O'Brien & W. F. Overton, Journal of Experimental Child Psychology 1980, 30, 44–60) suggested that poor performances with these tasks by young adults show improvement following the introduction of evidence that contradicts earlier faulty inferences, and this improvement generalizes to other conditional reasoning tasks. The effects of the contradiction training were not found with younger subjects. The present research is an extension of the contradiction training paradigm. Ten-, fourteen-, and eighteen-year-olds were tested to assess developmental differences in improvement with an evaluation and a conditional syllogism task. Significant improvement in performance was found for the twelfth grade students following the contradiction training, and this generalized across tasks. This effect was not found for the two younger groups. The usual poor performance of the oldest group is considered to be a false negative assessment of their conditional reasoning competency. Further, it is suggested that several correct performances of younger reasoners are false positive assessments of their conditional reasoning competency. 相似文献
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Eugene Abravanel 《Journal of experimental child psychology》1982,33(2):280-287
The perception of subjective contours in visual displays that characteristically produce them among adults was studied for children between 3 and 6 years. Evidence for visually creating subjective contours was derived in two ways: (a) by means of direct perception, and (b) by means of recognition of the typically completed shape from among members of a matching series. With both procedures, there were significant age-related contours. A majority of 3-year-olds showed at least one instance of figural completion based on direct perception, and their average recognition performance was 60%. By 5 years, all children provided a clear indication that they had completed at least one figure by means of subjective contours, and their recognition accuracy was 100%. The overall findings provide age-related information that must be accounted for by theories of perceptual development; in particular, those dealing with pictorial perception. 相似文献
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Catherine A. Mateer Samuel B. Polen George A. Ojemann Allen R. Wyler 《Brain and language》1982,17(1):46-57
Finger spelling of letters and words was mapped by means of the cortical stimulation procedure in a hearing patient undergoing a left dominant anterior temporal lobe resection for relief of a seizure disorder. Finger spelling was disrupted at five sites: three overlapping with one or more oral language functions at sites in the classical posterior language area, two relating only to finger spelling in the anterior temporal region. Following the resection which included these latter sites, both short- and long-term postoperative deficits in finger spelling are described. Implications for the organization of manually based communication behavior in the left hemisphere are discussed. 相似文献
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Ellen-Marie Silverman 《Journal of Fluency Disorders》1982,7(4):469-478
To identify impressions speech—language clinicians and university students have of females who stutter, a 47-scale semantic differential form was administered to members of each group to obtain their responses to eight hypothetical constructs, i.e., “A Girl,” “A Girl Who Stutters,” “A Boy,” “A Boy Who Stutters,” “A Woman,” “A Woman Who Stutters,” “A Man,” and “A Man Who Stutters.” Both groups were found to possess negative stereotypes for all four categories of stutterers. The nature of the stereotypes appeared to be influenced by a stutterer's gender and relative age. Clinicians considered stuttering to exert a stronger negative impact on females and on children. Their strongest stereotype was of “A Girl Who Stutters.” University students considered stuttering to exert a stronger negative impact on males. Their stereotypes of stutterers seemed unaffected by the relative age of the stutterer. Their strongest stereotype was of “A Man Who Stutters.” Several theoretical and clinical implications of these findings are discussed. 相似文献
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Susan D Phillips 《Journal of Vocational Behavior》1982,20(2):129-140
The study described was designed to examine career exploration in the adult years, as seen from the perspective of decision-making behavior. Using conceptual models provided by H. B. Gelatt (Journal of Counseling Psychology, 1962, 9, 240–245) and D. V. Tiedeman (Personnel and Guidance Journal, 1961, 40, 15–21), two research questions were posed: (1) To what extent does exploration occur prior to more terminal career behaviors? and (2) To what extent are exploratory and terminal career decision modes interdependent? These questions were addressed by examining the series of decisions made by 95 subjects over a period of 18 years. The results supported the expectation that decisions made at earlier stages of development are more likely to be of an exploratory nature and that decisions made at later stages are more likely to be of a terminal nature. In addition, support was found for the hypothesis that decision-making strategies at various stages of development are interdependent. 相似文献
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