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Previous studies in the English language have demonstrated the relevance of context and redundancy in assessing the impairment of information processing functions in psychopathology. In the present investigation, Danish language texts, varying in their degree of contextual constraint, were presented orally to 32 normal subjects, following the procedure of Miller & Selfridge (1950). Zero-order texts were created with and without matching for word frequencies, a control that was not employed by Miller & Selfridge. Immediate recall was measured and analysed as a function of degree of contextual constraint. Context effects upon accuracy of recall were obtained. The results essentially replicated the findings of Miller & Selfridge, and those of similar studies in other languages. Word frequency affected accuracy of recall at the zero-order point. The potential value of these texts as research tools in psychopathology is discussed. 相似文献
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This study examines trends in the area of career development programs, practices, and research during the last decade based on program sessions at the American Educational Research Association's annual meetings. 相似文献
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STEEN LARSEN ROSE-MARIE AHRENSBERG OVE CARLSEN JAN MEJDING 《Scandinavian journal of psychology》1985,26(1):336-341
Strings each containing 3 single digits were displayed tachistoscopically in the right and left visual half-field to 59 normal children, 8 to 14 years old. A distinction between 4 types of responses was made. Correct responses most frequently occurred to items in the left half-field, no half-field advantages was found for reversed responses, and wrong-order responses most frequently occurred to items in the right half-field. These results are explained by suggesting a more analog mode of processing in the left visual half-field and a more conceptual mode of processing in the right half-field. The degree of asymmetry was found to be age-related. 相似文献
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Rate dependent effects of imipramine: Effects of imipramine on operant behaviour in rats at various levels of water deprivation 总被引:1,自引:0,他引:1
The behavioural effects of 1.0, 3.10 and 6.0 mg/kg imipramine injections on lever pressing of rats were studied. Lever pressing was reinforced according to a continuous reinforcement schedule at 0, 24, and 48 h of water deprivation, according to fixed ratio schedules with 22 1/2 h of water deprivation, and according to differential-reinforcement-of-low-rate schedules with 22 1/2 h of water deprivation. The mean rate of responding per min increased significantly at 1.0 mg/kg on the continuous reinforcement schedule at 24 h of deprivation. Otherwise, a dose-related significant reduction in the mean response rate per min occurred on the fixed raito schedules and partly on the differential-reinforcement-of-low-rate schedules, thus lending support to the idea that rate dependent effects may be produced only on schedules of reinforcement such as the fixed ratio, the fixed interval and the variable interval. The results also indicate that depenent effects may be produced only at moderate levels of water deprivation. Some critical comments are made on concepts of rate dependency in view of the results and of previous finding. 相似文献