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131.
Jaap M. Koolhaas Sietse F. de Boer Bauke Buwalda 《Current directions in psychological science》2006,15(3):109-112
ABSTRACT— Animal models have contributed considerably to the current understanding of mechanisms underlying the role of stress in health and disease. Despite the progress made already, much more can be made by more carefully exploiting animals' and humans' shared biology, using ecologically relevant models. This allows a fundamental analysis of factors modulating individual adaptive capacity and hence individual vulnerability to disease. This article highlights an emerging scientific approach that uses a framework of interpretation that is more biologically oriented than previous approaches, to evaluate both the adaptive and maladaptive nature of the stress response in relation to existing environmental demands. 相似文献
132.
This study investigated the effects of a dependent group-oriented contingency on the supportive and non-supportive fair play behaviors of 6th grade students engaged in volleyball games as part of their physical education instruction. Six students, one male and one female per class, from three classes, identified as demonstrating low incidences of supportive behaviors during volleyball games, were participants in this study. A multiple baseline across classes design was used to examine the data. During baseline few incidences of non-supportive behaviors occurred among all six students. However, the participants seldom displayed supportive behaviors during games (i.e., encouraged each other). Following the introduction of the dependent group contingency, supportive behaviors for all participants increased. Follow-up data, collected in an alternative setting, indicated variable maintenance. The results are discussed in the context of group contingencies and social behaviors in sports. 相似文献
133.
The conclusion that nominal brainstorming groups outperform interactive brainstorming groups has been exclusively based on studies of idea generation. This study tested whether the productivity advantage of nominal groups would also result in better idea selection. Nominal and interactive groups performed a task that involved idea generation and selection. Idea generation and selection were strictly separated for half the groups, but were combined for the other half. Nominal groups generated more ideas than interactive groups, and the ideas generated by nominal groups were more original and less feasible than the ideas generated by interactive groups. However, there were no differences among conditions in quality of the selected ideas. Further, idea selection was not significantly better than chance. This suggests that high productivity in brainstorming is not sufficient to lead to better solutions. 相似文献
134.
Birsen Donmez Linda Ng Boyle John D. Lee Daniel V. McGehee 《Transportation Research Part F: Traffic Psychology and Behaviour》2006,9(6):387-398
Studies were conducted to assess driver acceptance of and trust in distraction mitigation strategies. Previous studies have shown that in-vehicle tasks undermine driver safety, and that there is a need for strategies to reduce the effects of in-vehicle distractions. Trust and acceptance of such strategies strongly influence their effectiveness. Different strategies intended to reduce distraction were categorized in a taxonomy. Focus groups were conducted to help refine this taxonomy and explore driver acceptance issues related to these strategies. A driving simulator experiment was then conducted using two of the strategies: an advising strategy that warns drivers of potential dangers and a locking strategy that prevents the driver from continuing a distracting task. These strategies were presented to 16 middle-aged and 12 older drivers in two modes (auditory, visual) with two levels of adaptation (true, false). Older drivers accepted and trusted the strategies more than middle-aged drivers. Regardless of age, all drivers preferred strategies that provided alerts in a visual mode rather than an auditory mode. When the system falsely adapted to the road situation, trust in the strategies declined. The findings show that display modality has a strong effect on driver acceptance and trust, and that older drivers are more trusting and accepting of distraction mitigation technology even when it operates imperfectly. 相似文献
135.
This paper studies mixed-gender group interactions in a strategic game where group members are sequentially eliminated till
a single winner takes all. Study 1 tests the hypothesis that female contestants are retained till final rounds where they
are eliminated. Using observational data from the US television show The Weakest Link (20 shows), results show that females are finalists but not winners. In a laboratory study (Study 2, 67 Berkeley undergraduates),
we show that this effect is attenuated when winnings are shared among finalists (versus one winner takes all) due to the reduction
in competitive pressures in the context.
This research was supported in part by the Junior Faculty Research Grant awarded by the University of California at Berkeley
to the second author. 相似文献
136.
Bryan L. Bonner Sheli D. Sillito Michael R. Baumann 《Organizational behavior and human decision processes》2007
Although estimations typically possess correct answers, these answers may be difficult to demonstrate to others. However, providing external information may increase their demonstrability. In this experiment, individuals (N = 60) and 6-person groups (N = 360) generated estimations with or without frames of reference. We hypothesized that estimations involving frames of reference would be best fit by models predicting intra-group influence based on the accuracy of alternatives or of members in general. Conversely, we hypothesized that estimations not involving frames of reference would be best fit by models predicting influence based on member extroversion or proposal centrality. Results indicate that groups outperformed individuals and that estimations generated in the presence of frames of reference were superior to those generated in their absence. Accuracy and expertise schemes provided the best fit when frames of reference were provided, whereas an extroversion scheme provided the best fit when they were not. 相似文献
137.
Taube-Schiff M Suvak MK Antony MM Bieling PJ McCabe RE 《Behaviour research and therapy》2007,45(4):687-698
Cognitive-behavior therapy (CBT) for Social Phobia is effective in both group and individual formats. However, the impact of group processes on treatment efficacy remains relatively unexplored. In this study we examined group cohesion ratings made by individuals at the midpoint and endpoint of CBT groups for social phobia. Symptom measures were also completed at the beginning and end of treatment. We found that cohesion ratings significantly increased over the course of the group and were associated with improvement over time in social anxiety symptoms, as well as improvement on measures of general anxiety, depression, and functional impairment. In conclusion, findings are consistent with the idea that changes in group cohesion are related to social anxiety symptom reduction and, therefore, speak to the importance of nonspecific therapeutic factors in treatment outcome. 相似文献
138.
Sixty-one participants from the community participated in a randomised controlled trial of group debriefing to assess the effect of this intervention upon memory for a stressful event. Participants were randomly allocated to one of three groups: debriefing; debriefing with an experimenter confederate present (who supplied three pieces of misinformation to the group regarding the stressful event); and a no-treatment control. All groups were shown a very stressful video and were again reviewed after 1 month. Members of the debriefing group where a confederate provided misinformation were more likely to recall this misinformation as fact than members of the other two groups. The debriefing group was also more accurate in their recall of peripheral content than the confederate group. Across all groups, participants were found to be more accurate at central rather than peripheral recall yet more confident for incorrect memories of the video than correct memories. 相似文献
139.
Ligia M. Chavez Leida Matías-Carrelo Concepcion Barrio Glorisa Canino 《Journal of child and family studies》2007,16(1):72-86
We reviewed the Spanish translation of the Youth Quality of Life Instrument-Research Version (YQOL-R) and culturally adapted
the measure with Puerto Rican and Mexican American children and adolescents. The YQOL-R is a self-reported measure that includes
four domains: Sense of Self, Social Relationships, Environment, and General Quality of Life. A total of 10 focus groups were
conducted with children aged 9 to 11, adolescents aged 12 to 17, their parents, and mental health providers. Five focus groups
were conducted in San Diego, California and five in San Juan, Puerto Rico. Eligible participants were recruited from children’s
outpatient psychiatry clinics. We followed an iterative and recursive process in reviewing changes and modifications to the
instrument using a bilingual committee and a Multi National Bilingual Committee. Greater semantic, content, and technical
equivalence of the Spanish and English versions for the YQOL-R was achieved for the two largest U.S. Latino subgroups: Mexican
Americans and Puerto Ricans. The cultural adaptation process revealed several important issues regarding the measurement of
quality of life in different age groups. Additional items for school, relationships (both family and friends) and spare time
suggested the need for a future children’s version of the instrument. For the adolescents, additional items were suggested
in the areas of sexuality, intergenerational conflict and acculturative stress. 相似文献
140.
文化智力研究评述与展望 总被引:1,自引:0,他引:1
文化智力是指人们与来自不同文化的其他人打交道时,采取有效措施以适应新文化的能力。文化智力的结构与测量,与其他相关构念的关系,以及不同的开发方法成了现有研究的重点;另外,也有实证研究表明,文化智力对一些结果变量有显著影响,例如认知结果、情感结果以及行为结果。本文对文化智力的相关研究进行了较为全面的总结,并指出了今后的研究趋势与方向 相似文献