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201.
202.
A four-dimensional interpretation of risk taking 总被引:1,自引:0,他引:1
203.
R L Jackson T R Minor 《Journal of experimental psychology. Animal behavior processes》1988,14(4):390-400
The present experiments reveal that shuttle-escape performance deficits are eliminated when exteroceptive cues are paired with inescapable shock. Experiment 1 indicated that, as in instrumental control, a signal following inescapable shock eliminated later escape performance deficits. Subsequent experiments revealed that both forward and backward pairings between signals and inescapable shock attenuated performance deficits. However, the data also suggest that the impact of these temporal relations may be modulated by qualitative aspects of the cues because the effects of these relations depended upon whether an increase or decrease in illumination (Experiment 2) or a compound auditory cue (Experiment 4) was used. Preliminary evidence suggests that the ability of illumination cues to block escape learning deficits may be related to their to reduce contextual fear (Experiment 3). The implications of these data for conceptions of instrumental control and the role of fear in the etiology of effects of inescapable shock exposure are discussed. 相似文献
204.
There is evidence to suggest that in an acquaintance rape the victim is perceived less favorably and there is more leniency toward the perpetrator than in a stranger rape. The purpose of the present study was to assess the perceptual effects of factors that might underlie this differential perception. Victim-perpetrator attraction and ambiguity in victim's desire for intercourse were varied since both are often perceived to occur at a much higher frequency in acquaintance rape than stranger rape. The design of the study was a 3 (victim-perpetrator attraction — minimal, moderate, maximal) × 2 (ambiguity in desire for intercourse — ambiguous, relatively unambiguous) × 2 (gender of subject — male, female) factorial. The results indicated that ambiguity had a significant effect on perceptions. More specifically, perception tended to be less favorable toward the victim and more lenient toward the defendant when there was ambiguity in the victim's desire for intercourse. Additionally, when compared to females, males' perception tended to be less favorable toward the victim and more lenient toward the perpetrator. There were no other significant main effects or interactions. The implications of these findings for the differential perception of acquaintance and stranger rape are discussed. 相似文献
205.
This controlled study describes the development and therapeutic effectiveness of Focused Videotape Feedback Psychotherapy. FVFP integrates parent-training, family therapy, and psychodynamically-oriented therapy as a treatment for children with emotional and behavioral disorders. Of the 105 children and their families, ages 4-10 years, referred for the study, only 40 met the strict diagnostic, research, and randomisation criteria for inclusion in one of the three research groups: FVFP, Psychodynamically-oriented, or Control. Evaluation was at pretreatment, 8 weeks, 16 weeks, and 20th week follow-up. Both treatment procedures were effective. FVFP produced more positive behavioral and affective changes at follow-up and was more time and cost effective. 相似文献
206.
Subjects who pretested high or low in hypnotic suggestibility took a creativity test either under hypnosis or in a waking state. All subjects made a global estimate of their general degree of creativity. Greater figural-spatial creativity was exhibited in the hypnosis condition than in the waking condition by both high and low suggestibles. Creativity self-reports were not corroborated by actual creative performance. 相似文献
207.
The contribution of cognition and affect to evaluations of stereotyped group members was examined. Subjects were American male undergraduates who evaluated a male homosexual or a male heterosexual applicant to a program in elementary education or fine arts. Cognitive measures used to predict evaluations were the discrepancies between stereotype components for the social category and stereotype components for the occupation; affective measures were four dimensions of mood-affect. Results indicated that negative affect predicted evaluations of homosexuals but not heterosexuals. Homosexuals were evaluated less favorably than heterosexuals for both occupations, despite the fact that homosexuals were perceived as less discrepant from occupational members than heterosexuals. 相似文献
208.
Arthur Tomie Arthur L. Murphy Stephen Fath Raymond L. Jackson 《Learning and motivation》1980,11(1):117-134
In Experiment 1, pigeons exposed to US ONLY pretraining were observed to be retarded in the acquisition of autoshaping relative to naive controls; however, gross changes in contextual stimuli between pretraining and testing alleviated the retardation effect. In Experiment 2, groups of pigeons exposed to CS ONLY, US ONLY, or random CS-US presentations (TRC) were tested for the acquisition of autoshaping. The US ONLY and TRC groups were retarded relative to naive controls. The context change manipulation eliminated the US ONLY retardation effect and attenuated, but did not eliminate, the TRC retardation effect. Context blocking accounts for the US ONLY effect and contributes to the TRC effect; however, context-independent retardation following TRC pretraining suggests the operation of the learned irrelevance cognition. 相似文献
209.
210.
A general one-way analysis of variance components with unequal replication numbers is used to provide unbiased estimates of
the true and error score variance of classical test theory. The inadequacy of the ANOVA theory is noted and the foundations
for a Bayesian approach are detailed. The choice of prior distribution is discussed and a justification for the Tiao-Tan prior
is found in the particular context of the “n-split” technique. The posterior distributions of reliability, error score variance, observed score variance and true score
variance are presented with some extensions of the original work of Tiao and Tan. Special attention is given to simple approximations
that are available in important cases and also to the problems that arise when the ANOVA estimate of true score variance is
negative. Bayesian methods derived by Box and Tiao and by Lindley are studied numerically in relation to the problem of estimating
true score. Each is found to be useful and the advantages and disadvantages of each are discussed and related to the classical
test-theoretic methods. Finally, some general relationships between Bayesian inference and classical test theory are discussed.
Supported in part by the National Institute of Child Health and Human Development under Research Grant 1 PO1 HDO1762. Reproduction,
translation, use or disposal by or for the United States Government is permitted. 相似文献