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11.
A combined multi-attribute utility and expectancy-value model has repeatedly been found to yield a worse fit to choices than to preference ratings. The present study investigated two possible explanations for this finding. First, people's belief-value structures may change in the choice task as they try to find the best alternative. Second, a difficult choice task may cause the decision maker to use simplifying heuristics. In the first of two experiments, subjective belief-value structures were measured on two occasions separated by about one week. Immediately before the second measurement, different groups of subjects performed a choice task, gave preference ratings, or performed a control task. The results did not support an interpretation of the greater difficulty of predicting choices in terms of changes in belief-value structures. However, the notion of simplifying heuristics received support by the finding that adopting simpler versions of the original model improved the predictions of the choices. In the second experiment, beliefs were measured immediately before or after each of a series of choices or preference ratings. The results indicated that although temporary changes in beliefs may occur, they can hardly provide a full account of the differential predictability of preferences and choices. 相似文献
12.
Is dependence on phonological information in children's reading a product of instructional approach? 总被引:1,自引:0,他引:1
Eight-year-old British children were found to be less accurate at rejecting pseudohomophones than ordinary nonwords in a lexical decision task, but 8-year-old New Zealand children did not show this effect. A subsequent homophone decision task showed that this difference was not due to the New Zealand children being unable to distinguish pseudohomophones from other nonwords. The New Zealand children, however, were less accurate than the British children in pronouncing the pseudohomophones they had identified. It was argued that the British children tended to sound out the items before making a choice in the lexical decision task, which gave salience to phonological rather than visual information, resulting in increased errors to the pseudohomophones. It was concluded that where the British children showed this dependency on use of phonological information it was a product of the teaching approach they had experienced. 相似文献
13.
The present study simulated an organizational dispute to test 12 hypotheses about mediator behavior that were derived from the strategic choice model of mediation. This model is based on the assumption that mediators have four basic strategies to resolve disputes: (a) integrate, which involves a search for mutually acceptable outcomes; (b) press, which involves lowering one or both parties' aspirations; (c) compensate, which involves offering positive benefits in exchange for concessions; and (d) inaction, which involves letting the parties handle the dispute by themselves. The major proposition of the model is that two factors, the mediator's assessment of the likelihood of a mutually acceptable agreement and the mediator's concern for the parties' aspirations, interact to predict mediator behavior. Nine of the 12 hypotheses derived from the model were supported. Pressing by mediators occurred most when mediators had a low estimate of the likelihood of agreement in combination with a low concern for the parties' aspirations. Compensating occurred most when mediators had a low estimate of the likelihood of agreement in combination with a high concern for the parties' aspirations. Inaction occurred most when the mediators' estimate of the likelihood of agreement was high and their concern for the parties' aspirations was low. Integrating occurred most when the mediators had a high concern for the parties' aspirations. 相似文献
14.
The national self-help group, Fundamentalists Anonymous (F.A.), has focused attention upon mental problems that may be caused or exacerbated by authoritarian religion. In this article we outline assertions about the mental problems caused by membership in fundamentalist religion, illustrate these with two case histories, briefly discuss intervention strategies, and describe conceptual and empirical issues. While former members have presented problems severe enough to warrant professional treatment, a causal link between their symptoms and their religious membership has not yet been established, because there is little empirical work on the subject.An earlier version of this paper was presented at the annual meeting of the American Psychological Association in New York in August 1987.The authors express gratitude to Stephen Strack, Ph.D.; Robert Meagher, Ph.D.; Herman Feifel, Ph.D.; and Ted Schoenberger, M.D., for their helpful comments on previous drafts of this paper. 相似文献
15.
16.
The pathological left-handedness syndrome 总被引:3,自引:0,他引:3
A clinical syndrome of pathological left-handedness (PLH) is proposed to identify the pattern of correlative changes in lateral development associated with early brain injury in some manifest left-handers. This syndrome is believed to be caused by a hemispheric lesion that is predominantly left-sided (or bilateral asymmetric), which onsets before Age 6, and which encroaches upon the critical speech zones of the frontotemporal/frontoparietal cortex. The pattern of changes may include any or all of the following features: shifts in manual dominance, trophic changes in the extremities, transfer of hemispheric speech, and/or intrahemispheric reorganization of visuospatial cognitive functions. Although some of these correlates of PLH have long been known, they have not been recognized as an interrelated pattern of traits that constitute a clinical syndrome. Identification of these individuals, all manifest left-handers, will be shown to have implications for diagnosis/remediation and for models of recovery of function. 相似文献
17.
Statistical consistency and hypothesis testing for nonmetric multidimensional scaling 总被引:1,自引:0,他引:1
Henry E. Brady 《Psychometrika》1985,50(4):509-537
The properties of nonmetric multidimensional scaling (NMDS) are explored by specifying statistical models, proving statistical consistency, and developing hypothesis testing procedures. Statistical models with errors in the dependent and independent variables are described for quantitative and qualitative data. For these models, statistical consistency often depends crucially upon how error enters the model and how data are collected and summarized (e.g., by means, medians, or rank statistics). A maximum likelihood estimator for NMDS is developed, and its relationship to the standard Shepard-Kruskal estimation method is described. This maximum likelihood framework is used to develop a method for testing the overall fit of the model. 相似文献
18.
Henry Jacoby 《Philosophical Studies》1985,47(2):257-270
19.
Previous publications emanating from the Colorado Adoption Project have reported significant relationships between parental general cognitive ability (g) and infant Bayley MDI scores. The present study compared infant Bayley factor scores representing separable dimensions of infant cognition with parental general and specific cognitive abilities for 182 adoptive families and 164 nonadoptive families. Parent/offspring correlations between 12-month Bayley factors and parental cognitive abilities suggest only minimal relationships for both parental g and specific abilities. At 24 months, more parent/offspring resemblance was present; moreover, Bayley factors that were related to parental cognition tended to be related to parental g, not to specific abilities. The finding of significant parent/offspring relationships at 24 months between biological parents and their adopted-away infants, as well as between nonadoptive parents and their infants, suggests some genetic continuity from infancy to adulthood. 相似文献
20.
Kevin C. Mooney Robert Thompson James M. Nelson 《Journal of abnormal child psychology》1987,15(1):67-73
The relationship between risk factors and the severity and type of childhood disorder, as measured by parent-completed Child Behavior Checklists, was examined for 768 children, ages 4–16, seen at a child mental health center. Regression analyses revealed no significant relationships between any combination of risk factors and the total number of behavior problems, internalizing, or externalizing scores for the entire group, males and females separately, or for the age and sex groupings of 6- to 11- and 12-to 16-yearolds. Chi-square tests revealed no relationship of profile type with any risk factor or with total number of risk factors. Implications for broad-based child assessment and risk factor research within a clinical population are discussed.We wish to thank Orin Bolstad, Linda Magnuson, and Julian Taplin for their assistance in this project. 相似文献