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141.
142.
Robert D. Sorkin Thomas R. Mabry Mary Susan Weldon Greg Elvers 《Organizational behavior and human decision processes》1991,49(2)
This experiment examined the processing of information from multiple element visual displays, using techniques derived from the theory of signal detectability. The method allows one to specify how observers integrate information from individual elements of a display. The experiment tested numerical and graphical displays having different display sizes, durations, and arrangements of elements. Observer performance increased with the number, m, of display elements, but at less than the ideal √m rate. Observer performance was consistent with a model of information integration constrained by internal noise. Linear arrays of elements resulted in better performance than did square arrays. Graphically coded elements resulted in better performance than did numerical elements. Observer decision weighting of element information from graphical displays was approximately uniform across spatial position, but the weighting of information from numerical displays was concentrated on elements near the fixation point. 相似文献
143.
Analysis of the elements of attention: A neuropsychological approach 总被引:15,自引:0,他引:15
Allan F. Mirsky Bruno J. Anthony Connie C. Duncan Mary Beth Ahearn Sheppard G. Kellam 《Neuropsychology review》1991,2(2):109-145
A model for conceptualizing the components or elements of attention is presented. The model substitutes for the diffuse and global concept of attention a group of four processes and links them to a putative system of cerebral structures. Data in support of the model are presented; they are derived from neuropsychological test scores obtained from two samples, the first consisting of 203 adult neuropsychiatric patients and normal control subjects, and the second, an epidemiologically-based sample of 435 elementary school children. Principal components analyses of test scores from these two populations yielded similar results: a set of independent elements of attention that are assayed by different tests. This work presents a heuristic for clinical research in which the measurement of attention is essential. 相似文献
144.
The language patterns of 10 mothers and 10 fathers with their firstborn 3-year-old sons were compared. Ten-minute mother-son and father-son conversations were recorded independently in the home during a free-play session with standard play mterials. The findings of this study indicate that although mothers and fathers used a similar number of utterances in conversing with their sons over a 10-minute period, their patterns of speech were different on a number of quantitative measures including MLU, MLU of five longest utterances, percent of imperatives, and percent of questions. In general, fathers' communication was viewed as more controlling and involving the child less, while mothers' communication was viewed as more child-centered and involving the child more. 相似文献
145.
146.
In two 6-month longitudinal studies of intellectually advanced preschool children, letter naming time and backward digit span were moderately good predictors of concurrent reading achievement (PIAT Reading Recognition Score). None of the remaining measures in a battery of standard cognitive indices, including Stanford-Binet MA, was associated with reading achievement. The results of cross-lagged correlation analysis of data from one of the two samples suggested that individual differences in time to access name codes for visual stimuli predict, but are not a consequence of, individual differences in reading achievement. The results of the cross-lagged analysis for the second sample were inconclusive. As a whole, the results are consistent with findings from other populations indicating that both short term memory span and efficiency of retrieval from long term memory are related to reading ability. The results also indicate, however, that the relationship between retrieval efficiency and reading achievement in precocious readers cannot be described by extrapolation of threshold estimates from the performance of older, unselected groups of readers. 相似文献
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148.
The ability of women (and men) to achieve success within organizational settings depends on their understanding structural and behavioral dimensions of power. However, the increased emphasis on educating women in the behavioral methods (e.g., assertiveness, aspirations, politics) of acquiring power invariably minimizes or omits the potential contribution of structural considerations. In their journey toward power acquisition, women must recognize and utilize the wide array of structural paths available to them. An analysis is undertaken of the main structural (organizational) sources of power — centrality, coping with uncertainty, and control over resources — with emphasis on their ramifications for women.The research cited in this article includes empirically based studies as well as observations, assertions, or admonitions that have not received extensive empirical validation. Nonetheless, the latter personal experiences and observations of these authorities may be valid.Management Analysis Company 相似文献
149.
This research examined the extent to which the personality characteristics of agency and communion are sex linked, and the extent to which differences in these orientations can account for sex differences in reward distribution behavior. In two studies, the agency and communion level of large samples of male and female undergraduates were assessed. As expected, males were more agentic and females were more communal. Moreover, when subjects who scored high or low on agency and high or low on communion were asked to allocate rewards between themselves and a co-worker, these personality differences were related to their allocation decisions. These results were used as the basis for discussing the role that sex-linked personality differences might play in distributive justice judgments.This article is an adaptation of a colloquium presentation at the meeting of the American Psychological Association, Los Angeles, August 1981. The research reported here was supported by NIMH grant MH29987-1, Goals, Motives, and Norms of Reward Distribution, and by NIMH Biomedical Research Support Grant from the College of Social Science, Michigan State University. The authors wish to thank Andrea Doughty for her valuable advice, and to gratefully acknowledge the help of Mark Teicher, Julie B. Klein, Sue Schnelbach, Pat Loepp, Barb Allen, Gavin Goodrich, Bob O'Hara, Kelly Bowen, Rod Hollenstein, Steve Schultz, and Mary Hurst. 相似文献
150.
This study concerns Social personality types and assesses the relationship of Holland's secondary construct of consistency to persistence in college and academic achievement. The sample consisted of 211 Social subjects who completed the Self Directed Search (SDS) as college freshmen in 1970. Evidence of persistence/nonpersistence and cumulative grade point averages were determined from college records. Hypotheses concerned the relationship of consistency to (a) termination status (persistence/nonpersistence), and (b) cumulative grade point average, for both persisters and nonpersisters. Results indicate that the relationship between consistency and termination status was significant, with high- and medium-consistency subjects persisting in college at a higher rate than low-consistency subjects. The relationship between consistency and CGPA was also significant. Results indicate that for both persisters and nonpersisters in college, subjects with higher levels of consistency achieve higher CGPAs than do subjects with lower levels of consistency. Implications of these findings for academic retention and counseling, as well as for future research, are indicated. 相似文献