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81.
This article reports three studies on the nature and impact of chance events. The first study investigated chance events in terms of the dimensions of influence and control. The second and third studies investigated the effects of multiplicity of chance events on career development are in terms of respondents’ own careers and then in terms of career scenarios. Results indicated that chance events can be characterized by the interactive influence of influence and control. High influence and low control chance events had the biggest impact on career development. When there is a connection between multiple chance events, the impact is greater than when unrelated chance events occur. The finding was confirmed regardless of whether individuals rated their own experiences or those presented in scenarios. However, it was also found that negative outcome chance events had the greatest impact regardless of whether such events were single or multiple influences on individuals’ careers. The results provide further support for the integration of chance events into the Chaos Theory of Careers.  相似文献   
82.
Rehder B 《Cognitive Science》2009,33(3):301-344
A central question in cognitive research concerns how new properties are generalized to categories. This article introduces a model of how generalizations involve a process of causal inference in which people estimate the likely presence of the new property in individual category exemplars and then the prevalence of the property among all category members. Evidence in favor of this causal-based generalization (CBG) view included effects of an existing feature's base rate (Experiment 1), the direction of the causal relations (Experiments 2 and 4), the number of those relations (Experiment 3), and the distribution of features among category members (Experiments 4 and 5). The results provided no support for an alternative view that generalizations are promoted by the centrality of the to-be-generalized feature. However, there was evidence that a minority of participants based their judgments on simpler associative reasoning processes.  相似文献   
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Identification of children with learning disabilities is based on the notion of a significant discrepancy between ability and achievement. Current federal guidelines do not specify the extent of such discrepancies but indicate they should be “severe”. Local education agencies have adopted criteria suggested by professionals or formulated their own operational criteria for identification of learning disabled children. In this research, we examined the extent to which identification as learning disabled is a function of the criteria used to define “severe discrepancy”, and the extent to which different classifications would result from use of different criteria. A school district made identification decisions for 51 students referred because they were experiencing academic difficulties; they found 24 students LD. The school identification decisions, based on application of a severe discrepancy on the Woodcock-Johnson Psycho-Educational Battery, did not correlate with decisions based on application of the federal definition. Implications for decision-making practices are discussed.  相似文献   
87.
Four interaction-perception perspectives of the fictitious target of a double-bind conflict were provided by four groups of subjects. The perspectives included perceptions of a daughter about herself and her father (the double-bind source), and her estimates of his perceptions of both himself and her. As predicted, the target saw herself as weak but “good”, and as cooperative and highly frustrated, while attributing all the opposite characteristics to the source, who was seen as strong but “bad”, and uncooperative and not frustrated. Further, it was found that she believed he saw himself as strong and very good, but frustrated and moderately cooperative. These observations are consistent with a hypothesis that double-bind experiences result in frustration and mixed feelings toward one's self and the source of the dilemma. It was also concluded that the target's belief that her father would not recognize her weakness, nor her cooperativeness, nor her frustration, and would disinterestedly evaluate her as neither good nor bad resulted from the inconsistent and contradictory communications which had contributed to the double bind.  相似文献   
88.
We conducted two experiments to assess the role of referential speech during sign training in which the spoken words corresponding to signs were receptively known to the participants. An alternating treatments design was used to compare sign acquisition across two teaching conditions in which referents were presented either with or without the corresponding verbal label. During the first experiment, signs were taught concurrently; during the second experiment, signs within each of the respective conditions were taught in a serial fashion. In both experiments, signs taught by total communication were acquired faster than those taught by sign-alone training.  相似文献   
89.
Behaviors thought to be characteristic of emotional disturbance or learning disabilities were investigated through ratings of teachers with regard to the relative disturbingness of the behaviors. Obtained differences suggested that behaviors characteristic of emotional disturbance were rated as more disturbing than those of learning disabilities; differences within sets of characteristic behaviors were also indicated. Results are discussed with regard to implications for teacher expectancies and labeling research.  相似文献   
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There is considerable controversy concerning the theoretical basis of retrograde amnesia (R.A.). In the present paper, we compare medial temporal, medial plus lateral temporal, and frontal lesion patients on a new autobiographical memory task and measures of the more semantic aspects of memory (famous faces and news events). Only those patients with damage extending beyond the medial temporal cortex into the lateral temporal regions showed severe impairment on free recall remote memory tasks, and this held for both the autobiographical and the more semantic memory tests. However, on t-test analysis, the medial temporal group was impaired in retrieving recent autobiographical memories. Within the medial temporal group, those patients who had combined hippocampal and parahippocampal atrophy (H+) on quantified MRI performed somewhat worse on the semantic tasks than those with atrophy confined to the hippocampi (H-), but scores were very similar on autobiographical episodic recall. Correlational analyses with regional MRI volumes showed that lateral temporal volume was correlated significantly with performance on all three retrograde amnesia tests. The findings are discussed in terms of consolidation, reconsolidation, and multiple trace theory: We suggest that a widely distributed network of regions underlies the retrieval of past memories, and that the extent of lateral temporal damage appears to be critical to the emergence of a severe remote memory impairment.  相似文献   
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