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121.
Linda D. Cameron Paul M. Brown Judith G. Chapman 《Journal of applied social psychology》1998,28(8):675-697
This study assessed whether social value orientations influence decisions to actively support a proposal for a transportation pollution reduction program. Participants with prosocial or proself orientations were given the opportunity to send letters of support or opposition to the program director. Proself participants were more likely to send letters opposing the program, whereas prosocial participants were more likely to send letters of support. Although proself and prosocial participants reported equivalent support for the program and equivalent perceptions of the program's environmental benefits, proself participants reported higher perceptions of personal costs associated with the program. Social value orientations may lead to differences in environmental behaviors, primarily because of differences in perceptions of the personal costs incurred from engaging in these behaviors. 相似文献
122.
Sandra Bond Chapman Harvey S. Levin Alicia Wanek Julie Weyrauch Joseph Kufera 《Brain and language》1998,61(3)
This study examined narrative discourse in 23 children, ages 6 to 8 years, who sustained a severe closed head injury (CHI) at least 1 year prior to assessment. Narratives were analyzed at multiple levels using language and information structure measures. Results revealed significant discourse impairments in the CHI group on all measures of information structure, whereas differences in the linguistic domain failed to reach significance. In addition, effects of age at injury and lateralization of lesion on discourse were considered. Although no significant differences were found according to age at injury, a consistent pattern of generally poorer discourse scores was found for the early injured group (<5 years). With regard to lesion focus, the group findings were unimpressive. However, preliminary examination of individual CHI cases with relatively large lateralized lesions suggested that the late injured children may show the language–brain patterns reported in brain-injured adults, whereas early injured children may not. 相似文献
123.
Decision makers show a larger subjective temporal discount rate for small magnitudes than for large ones. That is, they demand a larger percent increase in value to compensate for a delay when they are waiting for a small amount of money than for a large amount. Prelec and Loewenstein (1991; see also Loewenstein & Prelec, 1992) proposed an increasing proportional sensitivity account of this magnitude effect. This account surmises that the magnitude effect stems from the utility function for money and is consequently not unique to intertemporal choice. One study tested this prediction by demonstrating the magnitude effect in two domains: intertemporal choice and tipping for restaurant meals, haircuts, and taxi rides. In intertemporal choice, subjects showed a larger discount rate for smaller monetary amounts. They also tipped a larger percentage on small bills than on large bills. Thus, both domains showed the magnitude effect; however, the size of the effect was not well correlated between domains. 相似文献
124.
In this article we critique two prominent theories of reasoning—mental logic and mental models—and argue that reasoning does not consist of either applying logical rules or constructing mental models. Instead, we propose anoperational semantictheory of reasoning, according to which reasoning is based on children's operational understanding of key terms in a given problem. We then go on to consider an important recent developmental theory of reasoning, fuzzy-trace theory. In order to illustrate the view of reasoning proposed here we report a study of class inclusion. Dramatic differences in class inclusion performance were found as the result of linguistic context; performance was significantly higher when an explicit request for a subclass comparison preceded the class inclusion question as compared to a standard condition when the class inclusion question alone was asked. This was the case, however, only when the prior subclass comparison question referred to the same dimensions as the class inclusion question and not when irrelevant subclasses were referred to. Children's performance was also better when they sorted the materials into the supraordinate class as compared to the subclasses, but not when the experimenter sorted them for the child. These effects due to the operational and linguistic manipulations are discussed in terms of a generaloperational semantictheory of reasoning. 相似文献
125.
126.
Genesis of popular but erroneous psychodiagnostic observations 总被引:2,自引:0,他引:2
127.
The joint effects of social setting and loud noise on task performance are examined. In a modified version of the Bakan vigilance
task subjects were required to detect a sequence of two identical even digits and to report the two digits preceding the signal.
Two types of acoustic environment were compared: loud noise at 90 dBC and quiet noise at 60 dBC. Two types of social setting
were employed: “pair” where two subjects worked in the same room on similar tasks, and “single” where a subject performed
the task alone. The effects of noise and the presence of another did not interact. Loud noise increased the speed of responses
to signals early in the task. This effect is attributed to noise-induced arousal. There was a higher incidence of recall errors
in pre-signal digits when subjects were in pairs. This effect is attributed to distraction.
This research was part of a series of studies sponsored by the Social Science Research Council (Grant HR 5563 awarded to Dr.
A.J. Chapman and Dr. D.M. Jones). 相似文献
128.
Although children and adults have poorer peripheral vision than foveal vision there is contradictory evidence about the developmental changes that occur in peripheral sensitivity. Previous research on detections of traffic hazard has not, however, provided any evidence that peripheral vision is implicated in the particualr vulnerability of children to pedestrain accidents. In the absence of differences in peripheral detections it was hypothesized that children may nevertheless be less efficient than adults in utilizing information presented in the periphery. Road traffic scenes depicting vehicles in potentially hazardous and non-hazardous positions for road crossings were presented to adults and to childre, aged 7, 9, and 11. Results confirmed that children were relatively no poorer than adults at hazard detection in peripheral vision than in foveal vision, but indicated that they were marginally poorer at utilizing information presented in the periphery, as measured by a vehicle recognition test. Against expectd developmental trends 9-year-olds were as fast as adults at hazard detection, but no different from the other groups of children in recognition performance. Evidence that information detected and assimilated in peripheral vision does not contribute to the high pedestrian accident rates of children comes from the absence of any sex differences favouring girls. Since girls have considerably lower accident rates than boys, it would have been expected that both their detection and recognition performance would have been higher. 相似文献
129.
In three studies, we examined the hypothesis, derived from self-attention theory, that the focus of attention of individuals in groups varies as a function of group composition. In naturally occurring, nonlaboratory settings, Studies 1 and 2 demonstrated a decrease in first-person singular pronoun usage as the proportionate number of discussants in a group increased. In a laboratory setting, Study 3 demonstrated an increase in self-reported self-focus as the number of subjects decreased relative to the number of experimenters. These results support the conceptualization of self-focused attention as a mediator of group composition effects. 相似文献
130.