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191.
The present study examined the ability of Type A and Type B subjects to sustain attention during a 40-min visual vigilance task. It was predicted that Type A subjects would perform better than Type B subjects and that the performance of both groups would be related to the frequency of daydreams during the vigil. Type A subjects outperformed Type B subjects with regard to perceptual sensitivity (A') and number of signal detections. Although both groups reported an increase in the number of their daydreams as the vigil progressed, Type A subjects reported fewer daydreams during each period of watch than did Type B subjects. In addition, an inverse relationship was found between the number of signal detections and the frequency of daydreams. 相似文献
192.
Distance estimation from cognitive maps 总被引:1,自引:0,他引:1
Perry W. Thorndyke 《Cognitive psychology》1981,13(4):526-550
Four experiments investigated map clutter as a source of distortion in subjects' estimates of distance. In Experiments 1 (incidental learning) and 2 (intentional learning), subjects estimated distances between pairs of points on a memorized map. In both experiments, estimates increased as a linear function of the number of intervening points along the route. In Experiment 3, subjects estimated distances while viewing the map. The effect of clutter was reduced but not eliminated. In Experiment 4, the clutter effect was demonstrated using subjects' preexperimental knowledge of United States geography. Psychophysical power functions relating true to estimated distance provided a good fit to both memory and perception data. These results suggest an analogy between perceptual and memorial processes of distance estimation. A model proposed to account for the data assumes that subjects perceptually scan a route (or image of a route) from start to destination and use scan duration to determine path distance. 相似文献
193.
David G Perry Kay Bussey Kathryn Freiberg 《Journal of experimental child psychology》1981,32(1):127-138
Third- and fourth-grade boys and girls (mean age 7 years, 10 months) were directly instructed to share half their winnings from a bowling game under one of three types of verbal appeal: a power assertive appeal emphasizing punitive consequences for noncompliance, an inductive appeal emphasizing the child's potential contribution to the well being of another person, or a neutral appeal. While they complied with this request, half the children were monitored by television camera; the other half were not. A measure of generalized sharing (noninstructed sharing under anonymous conditions) was then collected. It was predicted that generalized sharing would be greater for children who had heard the inductive appeal than for children who had heard the power assertive appeal and would be greater for children who had shared without television surveillance than for children who had shared under survellance. As predicted, generalized sharing was highest among children who had received the inductive appeal. However, prior surveillance depressed noninstructed sharing only for girls who had received the power assertive appeal. There was one additional and unexpected finding: when children were asked to reinforce themselves for having shared in the instructed sharing phase, boys who had shared in compliance with a power assertive appeal indulged themselves more than children in any other condition. 相似文献
194.
Adults (N = 32) solved simple multiplication (e.g., 8 x 7) and corresponding division problems (e.g., 56/8). Self-reports of solution processes were given by half of the participants. Latency patterns and error rates were closely related across operations and were similar in self-report and no-report conditions. Solution of division problems, however, facilitated solution of multiplication problems more than the reverse. On large division problems, participants reported that they "recast" problems as multiplication (e.g., 56/8 as 8 x = 56). These results support the hypothesis that multiplication and division are stored in separate mental representations but that solution of difficult division problems sometimes involves access to multiplication. 相似文献
195.
Verbal imprecision as an index of knowledge in transition. 总被引:2,自引:0,他引:2
Children can be verbally imprecise when they are learning, but this phenomenon is not well documented. Verbal imprecision, anecdotally referred to as "hemming and hawing," may be indexed by restatements, comments on one's lack of knowledge, deletions of sentence constituents, and pauses. The authors examined whether they could quantify indexes of verbal imprecision and use them to predict changes in problem-solving performance. Four types of verbal imprecision were found to predict improved performance. Results were used to make inferences about processes of knowledge change. In particular, evidence suggests that adopting a new approach and rejecting an old one may be independent, and ordered, processes. Although others have drawn similar conclusions, using verbal imprecision as the data source is a relatively unique and readily accessible method for lending support to this model of knowledge change. 相似文献
196.
D Mitchell E H Kirschbaum R L Perry 《Journal of experimental psychology. Animal behavior processes》1975,1(1):47-55
Two experiments on the role of neophobia in poison-induced aversions to exteroceptive stimuli are reported. In Experiment 1, rats were given either 10 or 25 days of habituation to the test situation prior to conditioning. Those animals with the longer habituation period avoided a complex of novel exteroceptive stimuli while those with the shorter habituation period did not. In Experiment 2 rats initially avoided the more novel of two containers, but gradually came to eat equal amounts from both. A single pairing of toxicosis with consumption from either the novel or the familiar container reinstated the avoidance of the novel container in both cases. The results were discussed in terms of an interaction between habituation and conditioning procedures. It was suggested that previously reported differences between interoceptive and exteroceptive conditioning effects may have been influenced by the differential novelty of the two classes of stimuli in the test situation. It was further suggested that non-contingently poisoned control groups should routinely be included in poison avoidance conditioning studies. 相似文献
197.
Continental Philosophy Review - 相似文献
198.
199.
Margaret Wulbert Roland Barach Martha Perry James Straughan Stephen Sulzbacher Keith Turner Nick Wiltz 《Journal of abnormal child psychology》1974,2(2):87-98
The generalization of newly learned behaviors to different settings on the part of an autistic child and his parents was investigated by means of a multiple baseline design. Contingency management techniques were taught to the parents while they interacted with their child in a training apartment equipped with observation facilities. In order to assess whether the parents generalized the use of these techniques, data were gathered at their own home. Data were also gathered in the child's school in order to ascertain whether changes brought about in the child's behavior in the training apartment generalized to the school situation. It was concluded that the child's behavior was responsive to the contingencies of each particular environment. Generalization did not occur until the contingencies and stimulus cues were specifically designed to promote a change in behavior in each setting. 相似文献
200.
Two differential eyelid conditioning studies employed grammatically correct and incorrect adjective-noun phrases as conditioned stimuli. For different groups of subjects, the nouns were either high or low in imagery. The hypothesis that congruency between grammatical correctness and reinforcement consequences (i.e., the aversive stimulus contingent upon presence of incorrect rather than correct grammar) would facilitate conditioned discrimination was not supported, but the hypothesis that high noun imagery would facilitate differential response to syntax received strong support. Cognitive awareness of the syntactic discriminandum was also related to effective differential responding, as well as being implicated as a mediating mechanism in the imagery effects. Finally, performance was also significantly related to conditioned-response topography, with better conditioned discrimination by voluntary-form (V) than by conditioned-form (C) responders, and also evidence of more effective utilization of contingency awareness by Vs than by Cs. 相似文献