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231.
In the double-stimulation paradigm subjects respond to two successive stimuli. Previous research (Knight & Kantowitz, 1974) showed that a subject's speed-accuracy tradeoff (SAT) strategy interacted with the interval between the two stimuli to determine response performance to the first stimulus. The present experiment examined the influence of SAT strategy on response performance to the second stimulus. Interest focused on effects of SAT strategy upon the psychological refractory period (PRP) effect. If a single mechanism underlies beth first-and second-response performance (e.g., the PRP effect) in double stimulation, effects of SAT upon the second response should be similar to effects upon the first response. Results showed that the PRP effect appeared only when second-response accuracy was stressed. Under speed emphasis double-stimulation second-response latency never exceeded a single-stimulation baseline. This was analogous to first-response latency effects found by Knight and Kantowitz (1974). Response grouping was strongly influenced by SAT strategy and two response-grouping mechanisms were distinguished. Implications of these and interresponse time data for models of double-stimulation performance are discussed. 相似文献
232.
John Knight Victor Colburn David Owens Lee Freeman Daniel Syed Wayne Rasband 《Behavior research methods》1974,6(2):143-146
An experiment control computer system, operational for more than 2 years, is discussed. The system is multiprogammed, using a vendor supplied real-time operating system. Individual experiments employ multitasking—fast response functions are implemented in core resident tasks while interactive and other slow response functions are implemented in tasks that operate under time sharing. The areas of psychological research currently supported are concept formation studies, EEG evoked response studies, monitoring the autonomic nervous system, perception studies, and family interaction studies. 相似文献
233.
A single-stimulation and two double-stimulation response conditions were compared using explicit payoff matrices to vary speed-accuracy tradeoff. Under accuracy payoff, response latency (RT(1)) to the first stimulus increased as ISI dropped but accuracy remained high and relatively constant. Under speed payoff, RT(1) was only slightly affected by ISI but accuracy dropped as ISI decreased. Transmitted information rates consistently reflected detrimental effects of short ISI. In double stimulation, but not in single stimulation, error response latency exceeded correct response latency. Furthermore, error response latencies were found to be far more variable and more sensitive to changes in speed-accuracy condition than were correct response latencies. Finally, under both speed and accuracy conditions, response latency to the first of two successive stimuli was faster if a response was also required to the second stimulus. Implications of the data for possible models of double-stimulation speed-accuracy tradeoff are considered. 相似文献
234.
Experiments examining the issue of decay in short-term memory have assumed a single undifferentiated source of processing capacity which cannot be devoted to rehearsal when consumed in the processing of a nonverbal interpolated task. Three experiments reported here call this logic into question, since variations in difficulty in the nonverbal interpolated task failed to affect recall. Slight forgetting produced by a nonverbal interpolated task, relative to a no interpolated task control, was attributed to qualitative differences from performing two tasks simultaneously rather than only one. Results from the third experiment indicated that retrieval after a period of nonverbal interpolated activity is from primary rather than secondary memory. 相似文献
235.
The measurement approaches to social motives, cooperation-competition games and projective tests, have revealed apparently similar findings: Anglo American children are more competitive and higher in n Achievement compared to Mexican American children, who are more cooperative and higher in n Affiliation. The present experiment tested the extent to which (1) competitiveness is related to n Achievement, (2) cooperativeness is related to n Affiliation, and (3) the cultural differences in cooperation-competition are related to those in n Affiliation and n Achievement. Results indicate that social motives inferred from a cooperation-competition game have a meaningful relation to those inferred from a projective test, but that the cultural differences in cooperation-competition are larger and are not explained by cultural differences in n Affiliation and n Achievement. Social motives inferred from each measurement methodology, while somewhat related, are distinct. 相似文献
236.
The exact nature of cooperation — competition differences among children has remained obscure because the effect of individualistic motivation has important but unanalyzed influence on the frequency of cooperative and competitive responding. In order to clarify the nature of cultural differences in cooperation — competition, a novel social motive game was developed that provides distinct cooperative, competitive, and individualist alternatives. The measure was administered to 120 fourth-through sixth-grade Anglo-American and Mexican-American children of lower- and upper-middle-income levels. Consistent with previous research, Mexican-American children were generally more cooperative than Anglo-American children. Contrary to previous conclusions, however, individualism, not competition, was the strongest social motive among children, and Anglo-American children were generally more individualistic but not generally more competitive than Mexican-American children. Culture findings challenge both the methods and the results of previous cooperation — competition studies.The present research was partially supported by a University of California Intramural Research Grant No. 5-538404-19900-5. The authors are grateful to Jan Allison, Allen Binegar, and Robert Green for their assistance in the data collection. 相似文献
237.
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239.
de Guzman Maria Rosario T. Carlo Gustavo Ontai Lenna L. Koller Silvia H. Knight George P. 《Sex roles》2004,50(3-4):217-225
This article reports on an investigation into the relation between young adults' retrospective reports of their mothers' and fathers' division of household labor (egalitarian or traditional) and parenting styles (authoritative, permissive, authoritarian, or disengaged). Participants' own gender attitudes were also tested in relation to parents' division of labor and parenting. The sample included 294 women and men (M =19-years old) who were raised in 2-parent households and came from a range of ethnic backgrounds. When mothers' parenting was evaluated, permissive parenting was more likely among those from egalitarian households whereas authoritarian parenting was more likely among those from traditional households. When fathers' parenting was evaluated, authoritative parenting was more likely among participants from egalitarian households and disengaged parenting was more likely among those from traditional households. The association between fathers' parenting style and division of labor was specific to the division of childcare (rather than housework). Participants' gender attitudes were not related to parents' division of labor or parenting style. 相似文献
240.
Jacqueline S. Mattis William Pierce Beckham Benjamin A. Saunders Jarvis E. Williams D'Yal McAllister Valerie Myers Damon Knight Donald Rencher Charles Dixon 《Journal of Adult Development》2004,11(4):261-272
This study explores the relative importance of everyday racism, empathic concern, communalism, and religiosity as predictors of pro-social involvement (i.e., volunteerism and membership in political/social justice organizations) among a sample of African American men (N = 151). Church involvement emerged as a positive predictor of the likelihood that these men were involved in volunteer work as well as the number of hours that men dedicated to volunteer work. Communalism positively predicted the amount of time (in hours per year) that men were involved in volunteer work. Subjective religiosity and the stress of everyday racism were associated with a greater likelihood of being a member of a political–social justice organization. Implications of these findings are discussed. 相似文献