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421.
Karyn Riddle W. James Potter Miriam J. Metzger Robin L. Nabi Daniel G. Linz 《Media Psychology》2013,16(2):168-191
Using Shrum's (1996) heuristic processing model as an explanatory mechanism, we propose that people who hold vivid autobiographical memories for a specific past experience with media violence will overstate the prevalence of real-world crime versus individuals without vivid memories. We also explore the effects of frequency and recency on social reality beliefs. A survey was administered to 207 undergraduate students who were asked to recall one violent television program or movie seen in the past. Participants were asked to write essays describing the violence, which were coded for vividness. Results support not only cultivation theory, but also the effects of memory vividness: participants with more vivid memories of blood and gore gave higher prevalence estimates of real-world crime and violence than participants with less vivid memories. Findings also suggest that females had more vivid memories for prior media violence than males. Implications for cultivation, the heuristic processing model, and vividness research are discussed. 相似文献
422.
Phenomenology and the Cognitive Sciences - The paper discusses two recent approaches to schizophrenia, a phenomenological and a neuroscientific approach, illustrating how new directions in... 相似文献
423.
Robert Fried Livingston Welch Miriam Friedman 《Attention, perception & psychophysics》1966,1(10):345-346
GSR records were obtained for four groups of 20 Ss. Group I was presented with a series of four different lights (amber, blue, green, and white) appearing 20 times each, in apparent random order. The procedure was similar for the other three groups except that in group 2, a novel stimulus (a red light) appeared instead of the sixth amber light; in group 3, it appeared instead of the 16th amber light; and, in group 4, it appeared instead of the 16th amber light. Typical GSR adaptation phenomena were observed in all groups. The introduction of the novel stimulus appeared to have no effect on the course of GSR adaptation. 相似文献
424.
Data from a longitudinal study of postbaccalaureate nursing careers are discussed in the context of the motive-to-avoid-success controversy. Two groups of nurses with continuous work histories were intensively studied. While most had experienced upward professional mobility, a significant minority had lateral careers, which, though not characterized by advancement, typically provide rewards of intensification. Further, lateral careers only occurred in specialties allowing a high degree of professional autonomy. Thus, upward mobility and advancement should not be the sole criteria of women's occupational progress. Alternative conceptions of success may be significant in many occupations, although such beliefs may not serve as viable substitutes for professional autonomy and the opportunity for personal development. Lateral movement may also characterize most men's work lives more aptly than descent or ascent; hence the findings underscore the necessity to rethink the image of movement in both male and female work spheres.The research upon which this paper is based was supported by a grant from the Nursing Resources Division, USPHS (Grant NU-004-94-03) for the study of Post-Baccalaureate Careers in Nursing, Fred Davis and Virginia Olesen, Principal Investigators, Ellen Lewin, Assistant Project Director. This article was originally presented as a paper at the Pacific Sociological Association meetings, Sacramento, California, April 1977, where the panel commentator, Sheryl Ruzek, provided useful comments on the essay. Jane Tabata Usami provided a very helpful bibliographic search and other technical assistance. 相似文献
425.
In two experiments, the integration over spatial extent in taste was investigated for threshold sensitivity to NaCl and for suprathreshold intensity perception of saltiness. The area of stimulation was doubled by adding either an ipsilateral or a bilateral stimulus. The two stimuli could be of equal or unequal intensity. The data showed that at threshold level a probability summation model applied to all bilateral and most of the ipsilateral stimulus combinations. Probability summation failed to predict detection probability when two stimuli with different intensities were presented at the same tongue side. For suprathreshold stimuli, the magnitude of the saltiness sensation as estimated by a line-length method depended on the level of stimulation. The possible peripheral interaction mechanisms and central factors contributing to the taste response were discussed. 相似文献
426.
427.
Leona Schauble Robert Glaser Kalyani Raghavan Miriam Reiner 《Applied cognitive psychology》1992,6(4):321-343
This study investigated how people integrate different kinds of knowledge in coming to understand the functions of components of a physical system. Twenty-three undergraduates worked on a hypothesis-testing task in which they constructed test circuits to decide the identity of electrical components hidden inside boxes. The students' problem-solving was driven by qualitative causal models that included ideas about cause and effect, task demands, and functions of circuits and circuit components. There was a hierarchy of four causal models, with higher levels representing increasing understanding and supporting increasingly successful problem solution. These causal models were associated with characteristic experimentation strategies, including strategies for generating evidence, interpreting evidence, and managing memory requirements. Some of these strategies followed directly from the causal model a student held, whereas others appeared to be more general. The level of understanding a student eventually attained about this physical system was a function of both domain knowledge and proficiency in experimentation strategies. 相似文献
428.
Lewin LM 《Journal of the experimental analysis of behavior》1978,30(1):47-51
Three rats were trained on a fixed-ratio escape procedure in which responding produced one of two equiprobable outcomes—a 10-second or 60-second shock-free period. Before the fixed-ratio requirement was satisfied, brief shocks were presented at irregular intervals averaging either 15 or 30 seconds. Two conditions, differing in the relationship between exteroceptive stimuli and the outcomes, were studied. In the uninformative (uncorrelated) condition, the same stimulus was presented during both outcomes. In the informative (correlated) condition, one stimulus was present during the 10-second outcome only; another stimulus was present during the 60-second outcome only. Subjects pressed faster in the uninformative condition than they did in the informative condition. The inadequacy of the information hypothesis in accounting for the findings is discussed, and an alternative hypothesis is offered. 相似文献
429.
Robert Fried Livingston Welch Miriam Friedman Susan Gluck 《Attention, perception & psychophysics》1967,2(9):419-420
GSR records were obtained for 20 Ss presented with a series of 80 stimuli (four lights alternating in apparent random sequence). Records were obtained, also, for 20 Ss in each of two groups, using the same procedure: in Group 1, a tone was substituted for one of the lights, early in the sequence, and in Group 2, it was substituted later in the sequence. The tone, the novel stimulus, produced significant changes in the GSR adaptation patterns of the two groups. 相似文献
430.