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331.
In contrast to formal theories of judgement and decision, which employ a single notion of probability, psychological analyses of responses to uncertainty reveal a wide variety of processes and experiences, which may follow different rules. Elementary forms of expectation and surprise in perception are reviewed. A phenomenological analysis is described, which distinguishes external attributions of uncertainty (disposition) from internal attributions of uncertainty (ignorance). Assessments of uncertainty can be made in different modes, by focusing on frequencies, propensities, the strength of arguments, or direct experiences of confidence. These variants of uncertainty are associated with different expressions in natural language; they are also suggestive of competing philosophical interpretations of probability. 相似文献
332.
A variation of Kalat and Rozin's two-presentation paradigm was used to test the hypothesis that the first, as opposed to the second, presentation of a flavor conditioned stimulus (CS) constitutes the functional CS in two-presentation experiments involving moderate interflavor intervals (IFIs), and results in flavor aversions that are a function of the primary, as opposed to the secondary, conditioned stimulus-unconditioned stimulus (CS-US) interval. Contrary to the hypothesis, it was shown in Experiment 1 that holding the primary CS-US interval constant at 4 hr for each of three groups, while decreasing the secondary CS-US interval (i.e., the interval between the second flavor presentation and the illness) from 3.75 hr to 2.5 hr to .5 hr, resulted in the flavor aversion increasing as the secondary CS-US interval decreased. However, the aversion acquired by the group with a 0.5 hr secondary CS-US interval was also found to be significantly weaker than that acquired by a single-presentation 0.5 hr control group. In Experiment 2 it was demonstrated that animals exposed to novel exteroceptive stimulation (NES) immediately prior to a second flavor presentation that preceded the US by 0.5 hr acquired an aversion as strong as that acquired by a 0.5-hr control group. In Experiment 3 it was demonstrated that, in the absence of a second flavor presentation, animals exposed to novel exteroceptive stimulation 0.5 hr prior to the US acquired a weaker flavor aversion than did animals not exposed to novel exteroceptive stimulation during the 4-hr flavor CS-illness US interval. The contrasting effects of novel exteroceptive stimulation observed in Experiments 2 and 3 were replicated in Experiment 4. The results suggest, consistent with the trace-decay hypothesis and Wagner's (1976) general model of stimulus processing, that exposure to novel exteroceptive stimulation disrupts continued processing of the short-term memory (STM) trace of the initial presentation of a flavor CS, and hence minimizes stimulus preexposure effects attributable to the priming of STM. 相似文献
333.
Robert Gifford 《Journal of research in personality》1982,16(1):128-134
The validity of trait affiliativeness is examined. Based on an assertion related to attitudes, it was predicted that a trait measure would predict a single-act criterion worst, a repeated measure of a single act better, and a multiple-act criterion best. The prediction was confirmed, supporting the notion that traits are, as originally conceived, good predictors of broadly based behavioral tendencies but not necessarily of isolated acts. 相似文献
334.
Using a multidimensional scaling procedure, the present study examined the fit of Holland's RIASEC hexagon model to the internal relationships among the Strong-Campbell Interest Inventory (SCII) General Occupational Theme scales. SCII intercorrelation matrices for both sexes as reported in the SCII Manual were submitted, separately for each sex, to TORSCA 9 nonmetric scaling analysis. The Wakefield and Doughtie procedure was used to compare obtained TORSCA coordinates with expectations from Holland's hexagonal model. As a comparison, identical analyses were performed on Vocational Preference Inventory (VPI) scale intercorrelation matrices, these data having originally served as the basis for advancing the utility of the hexagon model. For females, the SCII-hexagon fit was not good, with a near reversal of the Social and Enterprising scales. For males, the SCII-hexagon fit was good. For either SCII or VPI scales, the female data met expectations from Holland's model less often than the male data. A replication study on SCII data for 305 female clients of a vocational assessment clinic confirmed the previously observed sex differences. Sex differences in the structure of vocational preferences are discussed. 相似文献
335.
The relationship between men's endogenous levels of testosterone and their penile responses to erotic stimuli. 总被引:1,自引:0,他引:1
The endogenous levels of testosterone of six nonclinical, sexually functional men were compared to the magnitude and speed of development of their objectively measured penile erections to repeated presentations of an erotic film und to their self-reported sexual activity. Plasma testosterone concentrations were significantly correlated with two measures of the magnitude of film-elicited sexual arousal (i.e., both peak and mean erection) and with one measure of the speed of development of sexual arousal (i.e., the latency to 90% of full erection) but not with the other (i.e., the latency to 20% of full erection). There was also a significant inverse relationship between testosterone levels and their reported frequency of orgasm by any means. but the reported time from their last orgasm was not related to testosterone levels. 相似文献
336.
337.
338.
David S. Knopman Alan B. Rubens Arthur C. Klassen Maurice W. Meyer Nancy Niccum 《Brain and language》1980,9(1):93-112
Current views of the relationship between audition and cerebral function suggest that increases in regional cerebral blood flow (rCBF) would occur in the superior, mid, and posterior portions of the temporal lobes, and that these changes would be more lateralized to the left hemisphere for a verbal than a nonverbal auditory task. We measured rCBF using the xenon inhalation technique in a group of healthy subjects during three conditions: (1) resting baseline, (2) auditory verbal activation (listening for word meaning), and (3) auditory nonverbal activation (listening for reduction of intensity in a series of noise bursts). Both verbal and nonverbal conditions produced highly significant increases in rCBF over the left posterior Sylvian region with a trend for verbal activation to evoke a wider area of flow increase than the nonverbal task. 相似文献
339.
Matched groups of right-handed male stutterers and controls received dichotic presentations of CVs and melodies on two occasions. Right ear advantages were obtained for CVs and left ear advantages for melodies, without significant differences between groups. However, a significantly greater number of stutterers than controls consistently failed to show the expected ear laterality for either type of material. 相似文献
340.