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1.
Research on the factor structure of the Bem Sex-Role Inventory generally indicates the existence of a number of smaller factors in addition to a major Masculine factor and a major Feminine factor. This has led to a suggestion that contrary to Bern's proposal, the scale is multidimensional. The present study attempted to examine further the factor structure of BSRI when applied to a non-Western sample. The results of a factor analysis appear to confirm the suggestion that BSRI is multidimensional. There are also indications that both the Masculine and the Feminine scales have high internal consistencies which can be improved further if certain items were removed. 相似文献
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Subjects (N = 8) performed a timed response task in which they attempted to synchronize an impulsive foot-press response with the last in a series of four regularly spaced tones. In Experiment 1, the response was countermanded on one third of the trials (stop trials) by a stop signal that appeared at a predetermined delay after the third tone. No stop signal appeared on the remaining trials (go trials). All subjects showed a systematic transition from withholding the response on stop trials in which the stop signal appeared shortly after the third tone to executing the response on trials in which a single stop signal delay had been chosen so that a response would be made on about 50% of the stop trials. We elicited Hoffmann (H) reflexes from the soleus muscle on all trials to determine whether the reflexes were augmented on occasions on which a response was prepared but withheld. Mean H-reflex amplitudes on go trials and on stop trials on which the response was executed were similar and showed a marked augmentation beginning about 250 ms before response onset; mean H-reflex amplitudes on stop trials on which the response was withheld showed less pronounced augmentation. Inspection of individual H-reflex amplitudes revealed that on stop trials on which the response was withheld the reflexes could be augmented to the same extent as on trials on which the response was executed. This dissociation of H-reflex augmentation and response execution shows that H-reflex augmentation reflects a controlled response process. Ballistic response processes therefore must be limited to a brief duration. 相似文献
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The question of whether Posner’s beam is the same as Treisman’s glue is addressed to construct a computational model that
integrates both target and cue information. The cueing and conjunction search tasks are conducted to analyze a common process
that may be underlying the tasks. The dynamic interaction between target and cue information produces attentional benefit-
and cost-based in the cueing task. Furthermore, the search order for target candidates in a conjunction search task is determined
through the integration of target and cue information, which is basically the same as in the cueing task. Our simulations
suggest that consistency (or validity) is considered as a computational process that may be commonly involved in the both
tasks. 相似文献
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Rozaliya Barabash Yanfei Gao Yinan Sun Soo Yeol Lee Hahn Choo Peter K. Liaw 《Philosophical Magazine Letters》2013,93(8):553-565
The crack-tip deformation behavior during a single overload, fatigue test of ferritic stainless steel, and Ni-based HAYNES 230 superalloy is studied at different structural levels using (1) neutron-diffraction, from which both the elastic-lattice strain and volume-averaged total dislocation densities are obtained, (2) polychromatic X-ray microdiffraction to probe the geometrically necessary dislocations and boundaries distribution, and (3) an irreversible and hysteretic cohesive interface model which has been implemented into a finite element framework to simulate the stress/strain evolution near the fatigue crack tip. Neutron strain measurements and finite element simulations are in qualitative agreement on the macroscopic length scale. Large plastic deformation induced by the overload and the resulting compressive residual strains are observed in front of the crack tip after the overload, and are the principal reason for the fatigue-crack-growth retardation. Strong strain gradients surrounding the crack propagation result in the formation of a high density of geometrically necessary dislocations near the fractured surface and cause local lattice rotations on the submicron level. 相似文献
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Tanya A. Montoya Dionne Smith Coker-Appiah Eugenia Eng Mysha R. Wynn Tiffany G. Townsend 《Journal of child and family studies》2013,22(1):48-62
Adolescent dating violence (ADV) remains a significant concern, particularly among rural African Americans. Few studies have explored adolescents’ perceptions about the link between ADV and sexual health and none have targeted this population. Employing qualitative methods based in Community-Based Participatory Research and theory, this study explored rural African American adolescents’ knowledge, perceptions and beliefs about the impact of ADV on sexual health. Secondary data analysis of 20 semi-structured individual interviews, conducted with older adolescents (aged 18–21), revealed participants understood the link between ADV and sexual health consequences, specifically as it related to STI and HIV prevention, condom use, and refusal of sex; and the negative impact refusing sex, communicating about HIV and other STI prevention, and negotiating condom use can have on ADV. This included: (a) negative relationship outcomes, including ADV and fear; and (b) factors that impact one’s ability to refuse sex, communicate about HIV and STI prevention, and negotiate condom use. Findings underscore the need for comprehensive ADV prevention programs for rural African Americans. 相似文献
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Elaine Leong Eng 《Journal of religion and health》2002,41(1):27-31
This article seeks to educate the reader on how to recognize the presence of anxiety disorders as they occur in the church community. The author uses medical information, Scriptural wisdom and a case illustration to help concerned Christians to assist sufferers in getting appropriate care. Anxiety disorders in the aftermath of the World Trade Center trajedy will be on the rise and the paper addresses this matter particularly for clergy, caregivers and professional counselors. 相似文献
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