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221.
222.
Valerie M. Hudson 《Political psychology》1999,20(4):767-801
One useful conceptualization of culture is that of a preestablished set of behavioral competencies, which in turn form behavioral dispositions. According to this variant of culture theory, decision-makers faced with new situations will rely on established behavioral competencies in forming an initial policy response. This assumption can also be applied at the nation-state level, where established behavioral predispositions may lessen uncertainty and stress in ambiguous yet salient foreign policy situations. Likewise, observers in one nation-state may be able to identify such behavioral dispositions in other nation-states, lending greater transparency and predictability to international interactions. Do such culturally based action templates exist? Are they recognizable even to ordinary citizens? Citizens in Russia, Japan, and the United States were asked to posit the most likely and least likely behavioral responses to a variety of foreign policy situations by their own nation and by the other two nations in the sample. The results indicate that recognition of such templates takes place, and that recognition of one nation's template content by citizens of the other nations typically matches recognition of template content by the nation's own citizens. The research also shows that such action templates can be eroded and become unrecognizable over time, both to insiders and to outsiders. 相似文献
223.
All combinations of high versus low arousal imaginal flooding, and coping versus no-coping imaginal rehearsal, were compared in the modification of dental fear. About one half of all subjects seen successfully completed dental treatment, although significant differences were found between groups in anxiety reduction before and during dental examination, which favoured the low arousal flooding groups. Coping rehearsal did not influence anxiety, but interacted with arousal level of flooding to determine subsequent dental attendance. The results suggest that flooding without coping rehearsal had little effect at high levels of arousal, but good results at low levels. Flooding with coping rehearsal on the other hand, had mixed results. At high arousal levels avoidance was reduced but not anxiety, while at low levels anxiety was reduced but not avoidance. The implications for further research on coping rehearsal are discussed. 相似文献
224.
Anthony Gale Mary Haslum Valerie Penfold 《Quarterly journal of experimental psychology (2006)》1971,23(3):245-254
Occipital EEG was monitored during a slow presentation rate vigilance task. EEG samples were taken for each of 400 task events. The EEG is correlated with increases and decreases in “expectancy” built into the task. Post-trial subjective estimates of alertness parallel the EEG changes. Reaction time to “wanted signals” does not correlate with measures of pre-signal EEG. 相似文献
225.
Paired auditory stimuli, presented during sleep, evoked biphasic heart rate responses of greater than 10-second duration. The magnitude of the response to a second stimulus varies with the time between stimuli. The recovery cycle for human subjects exhibits a subnormal period for both HR peak and trough components at 5-or 6-second interstimulus intervals, and a supernormal period for the HR peak at 9-or 10-second interstimulus intervals. Thus, subnormal and supernormal periods coincide with the peak and trough, respectively, of the biphasic evoked heart rate response. 相似文献
226.
The relationship between a subject's sex and his or her behavior in a competitive situation was examined. Male and female subjects completed three tasks, first by themselves and then against either a male or female competitor. A 2×2 design (sex of the subject × sex of the competitor) was thereby created. The dependent measures were the subject's performance and his or her heart rate during each task. Since the relationship between a subject's sex and competitive behavior was expected to be situationally specific, three different kinds of tasks were used: anagram, perceptual-motor, and arithmetical. Results were not consistent with predictions based on Horner's fear of success model (1968). Competition with either sex was found to increase performance level in both sexes on all three tasks. The only sex-related effect found to be consistent across tasks was that both male and female subjects had a greater increase in heart rate when competing against a male than when competing against a female. This heart rate increase was interpreted as an indicator of increased anxiety or arousal.This research was supported by a University of Pittsburgh, Faculty of Arts and Sciences research grant to the second author. The assistance of H. DeGood, L. Paul, and T. Rusiewicz in collection of the data presented here is gratefully acknowledged. 相似文献
227.
228.
Peter C. Senkowski Valerie A. Vogel Napoleon C. Pozulp II 《Learning and motivation》1978,9(4):446-465
Three experiments investigated the performance of rats on a task involving differential reinforcement of lever-press durations. Experiment 1, which employed a discrete-trials procedure, manipulated deprivation level between subjects and reward magnitude within subjects. The minimum lever-press duration which would result in reward was varied from .4 to 6.4 sec. It was found that low deprivation resulted in longer mean durations and less response variability at the higher criterial values than did high deprivation. The magnitude of reward was not found to affect performance. Experiment 2 manipulated reward magnitude between subjects while holding deprivation level constant, and used the same general procedures as in Experiment 1. Small reward resulted in longer mean lever-press durations and less variability in responding than did large reward at the higher criterial values. The intertrial intervals were omitted in Experiment 3 in which deprivation level was varied between subjects and reinforcement was delivered only for response durations extending between 6.0 and 7.6 sec. Low deprivation resulted in longer mean lever-press durations and less response variability than did high deprivation, but the probability of a rewarded press duration did not differ between groups. The results overall are consistent with the hypothesis that low deprivation and small reward magnitude lead to weaker goal-approach responses and, hence, to less competition with lever holding. The deprivation and reward magnitude manipulations did not appear to influence lever holding performance by affecting the ability of animals to form temporal discriminations. 相似文献
229.
Handley SJ Evans JS Thompson VA 《Journal of experimental psychology. Learning, memory, and cognition》2006,32(3):559-569
Under the suppositional account of conditionals, when people think about a conditional assertion, "if p then q," they engage in a mental simulation in which they imagine p holds and evaluate the probability that q holds under this supposition. One implication of this account is that belief in a conditional equates to conditional probability [P(q/p)]. In this paper, the authors examine a further implication of this analysis with respect to the wide-scope negation of conditional assertions, "it is not the case that if p then q." Under the suppositional account, nothing categorically follows from the negation of a conditional, other than a second conditional, "if p then not-q." In contrast, according to the mental model theory, a negated conditional is consistent only with the determinate state of affairs, p and not-q. In 4 experiments, the authors compare the contrasting predictions that arise from each of these accounts. The findings are consistent with the suppositional theory but are incongruent with the mental model theory of conditionals. 相似文献
230.
Performance feedback has facilitated the acquisition and maintenance of a wide range of behaviors (e.g., health-care routines, seat-belt use). Most researchers have attributed the effectiveness of performance feedback to (a) its discriminative functions, (b) its reinforcing functions, or (c) the combination of the two. In this study, we attempted to evaluate the relative contributions of the discriminative and reinforcing functions of performance feedback by comparing a condition in which the discriminative functions were maximized and the reinforcing functions were minimized (i.e., performance-specific instructions without contingent money) with one in which the reinforcing functions were maximized and the discriminative functions were minimized (i.e., contingent money with no performance-specific instructions). We compared the effects of these two conditions on the acquisition of skills involved in conducting two commonly used preference assessments. Results showed that acquisition of these skills occurred primarily in the condition with performance-specific instruction without contingent money, suggesting that the delivery of performance-specific instructions was critical to skill acquisition, whereas the delivery of contingent money had little effect. 相似文献