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21.
Gerd Bohner Christina Weisbrod Paula Raymond Alexandra Barzvi Norbert Schwarz 《European journal of social psychology》1993,23(6):561-579
In two experiments, conducted in Germany and the U.S.A., it was found that exposure to a rape report lowered self-esteem and positive affect in women who do not accept ‘rape myths’ (stereotypical beliefs which blame the victim and exonerate the rapist; Burt, 1980). Men high in rape myth acceptance (RMA) showed an increase in positive affect and self-esteem as a function of exposure to rape; men low in RMA and women high in RMA were largely unaffected. Both experiments demonstrated that these effects were specific to rape, as opposed to violence in general. These results support the feminist hypothesis that the threat of rape serves the function to exert social control over women and to sustain men's dominance. Potential cognitive mechanisms mediating the observed effects are discussed. 相似文献
22.
J M Harrison 《Journal of the experimental analysis of behavior》1990,54(1):45-51
Stimuli in many visual stimulus control studies typically are presented simultaneously; in contrast the stimuli in auditory discrimination studies are presented successively. Many everyday auditory stimuli that control responding occur simultaneously. This suggests that simultaneous auditory discriminations should be readily acquired. The purpose of the present experiment was to train rats in a simultaneous auditory discrimination. The apparatus consisted of a cage with two response levers mounted on one wall and a speaker mounted adjacent to each lever. A feeder was mounted on the opposite wall. In a go-right/go-left procedure, two stimuli were presented on each trial, a wide-band noise burst through one speaker and a 2-kHz complex signal through the other. The stimuli alternated randomly from side to side across trials, and the stimulus correlated with reinforcement for presses varied across subjects. The rats acquired the discrimination in 400 to 700 trials, and no response position preference developed during acquisition. The ease with which the simultaneous discrimination was acquired suggests that procedures, such as matching to sample, that require simultaneous presentation of stimuli can be used with auditory stimuli in animals having poor vision. 相似文献
23.
Emmanuel Onifade Paul D. Harrison Thomas P. Cafferty 《Journal of applied social psychology》1997,27(5):439-452
This study examined the escalation problem within an attribution theory framework. Students read a case scenario containing causal attribution information that described a poorly performing project under their supervision. They made estimates of its future success, as well as a decision whether to continue it. Perceived stability of causality had the primary effect on expectancy of success. A project whose performance downturn was attributed to a stable cause had a lower expectancy. Locus of causality had a smaller but still significant effect. Project downturns attributed to internal causes had a lower expectancy. Expectancy of success was significantly correlated with project continuation decisions. Discrepancies between these results and those reported by Staw and Ross (1978) are accounted for in terms of Weiner's (1985, 1986) attributional analysis. 相似文献
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Bystander responses to public episodes of child abuse were surveyed among 269 self reported witnesses. Respondents completed an 80-item self-report questionnaire which inquired into a broad range of events, experiences, and behaviors surrounding naturally occurring incidents of perceived child abuse witnessed in public places. Almost one-half of the sample reported having witnessed at least one event of child abuse in public, but only one out of four witnesses acted to intervene. Data analyses identified 40 statistically significant variables across four categories: characteristics of the bystander, situation, victim, and perpetrator. Results were generally consistent with predictions and findings from previous research on bystander intervention, but a number of new and significant variables were identified that characterized intervention events. Direct and indirect forms of intervention were also distinguished. Implications of the findings are discussed, and educating people to intervene on behalf of abused children is proposed. 相似文献
26.
Long-term retention of fixed-interval curvature as an index of recall memory which is relatively free of retrieval cues was examined in younger and older rats. Previous research on free-operant behavior in younger and older rats showing within-session decrements in behavior of older rats and within-session increments in younger rats suggested that the results of recall memory tests would depend upon the duration of the test session and the point within the session where data were collected. Consistent with such expectations, recall of fixed-interval curvature was poorer in older rats when data from late in the test session or data averaged over the entire 45-min session were used, but the opposite finding, numerically better retention in the older rats, occurred when data from the earliest part of the test session were used. The results suggest that age-related performance differences from which age-related memory differences are inferred may be confounded by other age-related effects upon performance which have nothing to do with memory. 相似文献
27.
The difficulty of recording rodent ultrasonic vocalizations simultaneously with other behavior patterns has been overcome by the use of the apparatus described. The electronic circuitry automatically digitally codes specified frequencies of rodent ultrasounds on a behavioral recording device. A reliability study of its performance in recording vocalizations of copulating Mongolian gerbils, during experimental tests, is also described. 相似文献
28.
This research attempted to establish relationships between locus of control, self-esteem, and traditional-nontraditional behavior. It was hypothesized that (1) women tending toward internality and high self-esteem should be more likely to manifest nontraditional behaviors, as evidenced through career-oriented roles, and to rank these roles as their primary source of satisfaction; and (2) women tending toward externality and low self-esteem should be more likely to manifest traditional behavior, as evidenced through family-oriented roles, and to rank these roles as their primary source of satisfaction. The sample consisted of 91 White females in a southern metropolitan area. The data were collected using a survey design. As expected, high self-esteem internals were more likely to manifest nontraditional behavior. Contrary to expectation, low self-esteem externals were more nontraditional in role orientation. 相似文献
29.
The two studies undertaken investigated how reaction times are affected by preknowledge concerning hand and direction parameters, and the order in which these data are disclosed. In the first experiment, preknowledge was manipulated by selecting 2-CRT pairs which had either a common hand or direction component. Reaction signal information content (as defined by the number of unknown response parameters) was controlled, but no parameter differences emerged. When parameter order was manipulated by sequential precuing, the ‘hand then direction’ order conferred a significant advantage. Motor preparation and response selection explanations for this effect are considered. Various difficulties with the paradigms used are discussed, including those of distinguishing between response selection and motor programming contributions, controlling and inferring the strategies adopted by subjects, and defining task difficulty. The prospects for independently fostering either response identification or motor preparation by means of an appropriate selection of precues are also discussed. 相似文献
30.