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201.
Jim Rast James M. Johnston Cheryl Drum James Conrin 《Journal of applied behavior analysis》1981,14(2):121-130
Preliminary work suggested that the quantity of food ingested by retarded individuals who usually ruminated following meals was related to the frequency and duration of ruminating responses. This possible relation was experimentally examined by systematically varying food quantity from regular portions to satiation levels for three retarded individuals who exhibited high levels of ruminating. A clear functional relation of food quantity to ruminating emerged, with satiation procedures producing rapid and large decreases in the relatively high frequencies and durations of ruminating characteristic of baseline food quantity conditions. 相似文献
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Summary A rewrite-rule text grammar was used to predict question asking. Subjects were instructed to write a text according to a known format, i.e., a police report calling for witnesses to an accident, but first they had to find out what had occurred by asking questions. Each question was answered immediately. The results indicate that the established text grammar predicted the content of the questions well, but did not predict their sequence. Deviations from the predictions are discussed in terms of question-asking strategies as evolved from a text grammar. 相似文献
204.
Edward P. Meyer Professor Henry F. Kaiser Barbara A. Cerny Bert F. Green Jr. 《Psychometrika》1977,42(1):153-156
Kaiser's measure of sampling adequacy is applied to a special Spearman matrix and a specialq-cluster generalization. The result supports the contention that the measure should be no less than .5 for data to be appropriate for factor analysis.The research reported in this note was supported in part by the Program in Applied Mathematics and Statistics, National Science Foundation, and by the National Institute of Education, Department of Health, Education, and Welfare. 相似文献
205.
Ziskin has mounted a concerted attack on the scientific basis of psychology and psychiatry and their ability to provide expertise to the courts. He has assailed both the clinical methods and conclusions rendered by these mental health professionals. To rebut expert testimony, Ziskin has proposed general principles of cross-examination. We discuss the limitations of this model and provide an initial study of its effectiveness. 相似文献
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The assumption that humans are able to perceive and process angular kinematics is critical to many structure-from-motion and optical flow models. The current studies investigate this sensitivity, and examine several factors likely to influence angular velocity perception. In particular, three factors are considered: (1) the extent to which perceived angular velocity is determined by edge transitions of surface elements, (2) the extent to which angular velocity estimates are influenced by instantaneous linear velocities of surface elements, and (3) whether element-velocity effects are related to three-dimensional (3-D) tangential velocities or to two-dimensional (2-D) image velocities. Edge-transition rate biased angular velocity estimates only when edges were highly salient. Element velocities influenced perceived angular velocity; this bias was related to 2-D image velocity rather than 3-D tangential velocity. Despite these biases, however, judgments were most strongly determined by the true angular velocity. Sensitivity to this higher order motion parameter was surprisingly good, for rotations both in depth (y-axis) and parallel to the line of sight (z-axis). 相似文献
208.
Nicholas P. Spanos Cheryl A. Burgess Melissa F. Burgess Catherine Samuels William O. Blois 《Applied cognitive psychology》1999,13(3):201-218
This study was designed to test the conditions under while false memory reports are likely to be elicited from hypnotic and non‐hypnotic participants. Low, medium and high hypnotizables were administered either a hypnotic or non‐hypnotic suggestion for regression to the day after birth. False memories of infancy were generated in 68 of 78 age‐regressed participants, nearly half of whom reported strong beliefs in the reality of their recovered ‘memories’. Non‐hypnotic participants were slightly but significantly more likely to report infancy experiences than were hypnotic participants. However, hypnotizability did not have a significant effect on the classification of these experiences as memories or as fantasies. Implications for the experimental and clinical contexts are discussed. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
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Two experiments tested the hypothesis that alcohol increases race-biased responding via impairment of self-regulatory cognitive control. Participants consumed either a placebo or alcohol and then made speeded responses to stereotypic trait words presented after White and Black face primes while behavioral and event-related brain potential (ERP) data were recorded. Alcohol did not affect stereotype activation in either experiment. Experiment 2 showed that alcohol significantly impaired the ability to inhibit race-biased responses but did not reliably influence control of counterstereotypic responses. This disinhibition appears driven by impairment of regulative cognitive control, as indexed by amplitude of the negative slow wave ERP component. These findings suggest that controlling racial bias can be a function of effective implementation of basic self-regulatory processes in addition to the motivational processes identified in other research. 相似文献