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601.
602.
Rats were given a footshock followed by ECS of either low or high intensity. Controls received neither footshock nor ECS. Twenty-four hours later all subjects acquired a simple position habit in a water maze. Then, independent subgroups were reversal trained at 24-hr intervals up to 144 hr post-treatment. Compared to controls, rats given footshock, and ECS showed memory for training at the initial test followed by amnesia, memory recovery, and finally amnesia at subsequent tests. The alternating pattern of retention appeared to be a function of ECS intensity. In a second experiment, rats were first maze trained then given footshock and ECS 24 hr later. Like the results of the first experiment, ensuing tests indicated an alternating retention function in experimental animals again influenced by ECS intensity. Several possible explanations of these results were discussed, and it was suggested that the altering retention function observed in the experimental animals resulted from a footshock and ECS induced state dependency effect that subsided and recurred spontaneously up to 144 hr post-treatment. 相似文献
603.
Frederick J Morrison Deborah Lott Holmes Marshall M Haith 《Journal of experimental child psychology》1974,18(3):412-425
An attempt was made to specify whether previously reported limitations on young children's full-report capacity lay in a smaller amount of available information, in a shorter trace duration of information in visual information storage (VIS), or in poorer coding of information into permanent storage. Five- and 8-year-olds and adults were shown an eight-item array of figures. followed at varying intervals by an indicator signaling the subject to report the figure to which the indicator had pointed. The effects of three levels of familiarity or “labelability” were examined. While no age differences were revealed in amount of information available nor in the trace duration of information in VIS, strong age differences emerged in coding of information into permanent storage. Data on latency to verbal labeling and familiarity suggested that verbal labeling could not account for the age trends. Rather, the differences seemed to lie in the use of organized visual coding and rehearsal strategies by adults and their relative lack of use by children. 相似文献
604.
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
605.
606.
Roger E. Vogler Theodore A. Weissbach John V. Compton 《Behaviour research and therapy》1977,15(1):31-38
Eighteen month follow-up data are presented for two projects evaluating the effectiveness of learning techniques for treating alcohol abuse and achieving moderation using three groups of subjects-inpatient alcoholics, outpatient alcoholics and problem drinkers. Subjects received various combinations of the following procedures: videotape self-confrontation of drunken comportment, blood alcohol concentration discriminating training, aversion training for overconsumption, avoidance practice, behavior counseling and alternatives training, and alcohol education. While the loss of subjects was considerable between 12 and 18 months follow-up, the data were very similar. Subjects in all groups improved in terms of reductions in alcohol intake and on drinking-related variables. Significant between-groups differences in favor of subjects whose training included actual experience in drinking moderately were found only for the inpatient alcoholics. In this research, the best candidate for moderation was the less chronic. younger drinker with a relatively lower alcohol intake, a more stable vocational record and no history of hospitalization for alcohol abuse or physical deterioration from drinking. We believe that the techniques with the greatest potential for the prevention and treatment of alcohol abuse are videotape self-confrontation, blood alcohol discrimination training, and alcohol education/alternatives training. 相似文献
607.
Beatrice Stocker 《Journal of Fluency Disorders》1983,8(4):331-339
This study contrasted the gains made in speech theraphy by 39 stutterers, 15 of whom were treated by conventional methods and 24 by the Probe technique. It was found that the Probe technique yielded substantially greater gains in fluency than did the conventional method, having more influence on final performance than factors such as initial fluency, time since onset of stuttering, or the presence of other unacceptable behaviors. 相似文献
608.
Owen L. Hughes 《Intelligence》1983,7(1):9-26
Two methodological issues involved in determining the relationship between learning and general intelligence (g) are examined. They are firstly, the use of subject learning strategies in a paired-associated learning task and secondly the importance of time in the measurement of learning efficiency. Concerning the first issue, paired-associates learning scores of subjects who were instructed in the use of an appropriate learning strategy correlated significantly with general intelligence scores while those not so instructed did not. Concerning the second issue, a time based learning measure was developed to predice the time required for complete learning in the paired-associates learning task. This measure was compared learning with a number of error-based learning measures in their ability to predict general intelligence. The time based learning measure was clearly superior to the error based measures yielding a correlation of .59 with general intelligence. 相似文献
609.
Steven W. Cornelius Sherry L. Willis John R. Nesselroade Paul B. Baltes 《Intelligence》1983,7(3):253-269
The purpose of the present study was to examine the hypothesis that individual differences on measures of attention would converge with select factors of psychometric intelligence, especially fluid intelligence and short-term acquisition and retrieval. A sample of 83 elderly adults was administered a battery of 17 psychometric ability tests. Tests were selected to mark four psychometric ability factors (Cattell and Horn's dimensions of fluid and crystallized intelligence, short-term acquisition and retrieval, and perceptual speed). Also, seven tasks representing four aspects of attention—decoding processes, selective attention, attention switching, and concentration—were administered. A confirmatory factor analysis was conducted to examine the relationships among the four psychometric ability factors and 11 variables obtained from the attention tasks. Results were only partially consistent with the hypothesized pattern of convergence. Two attention measures had significant loadings on a fluid-type intelligence factor, and one had a marginally significant loading on a short-term memory factor. In general, the greatest convergence occured between attention variables and the ability factor of Perceptual Speed. Results were discussed with respect to previous research on psychometric abilities and cognitive processes, the theory of fluid-crystallized intelligence, and their implications for understanding intellectual aging. 相似文献
610.
Deborah G. Kemler 《Journal of experimental child psychology》1983,36(3):365-379
Some observations that can be described conveniently by investigators in terms of dimensional sensitivity and dimensional salience actually need not implicate the psychological reality of the dimensions for the subjects. The developmental hypothesis that stimuli are perceived often as integral in early childhood can account for such phenomena only with the assumption that young children often apprehend objects as global wholes, related to one another by overall similarity. Classification data, recently presented by J. R. Aschkenasy and R. D. Odom (Journal of Experimental Child Psychology, 1982, 34, 435–448) can be reinterpreted in this way. On this reinterpretation, Aschkenasy and Odom's findings are exactly what the developmental form of the integrality-separability hypothesis predicts. Moreover, a variety of other findings and lines of inference converge on the conclusion that, in young children, the use of overall similarity relations to organize perception and cognition predominates over the use of dimensional relations (and that the relative balance between these stimulus relations changes in development). Examples are selected from the literature on the natural development of word meanings, as well as from the literatures on children's and adults' classification. 相似文献