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861.
Twenty-one Ss scaled the Delboeuf illusion by the methods of pair comparisons, constant stimulus differences, reproduction, and pair reproduction. The method of pair comparisons was clearly superior on all indices of validity, reliability, and efficiency. Pair comparisons forces the S to discriminate between treatment levels and avoids motor responses. Es should consider using pair comparisons or related methods which share these advantages. 相似文献
862.
Measurement invariance (lack of bias) of a manifest variableY with respect to a latent variableW is defined as invariance of the conditional distribution ofY givenW over selected subpopulations. Invariance is commonly assessed by studying subpopulation differences in the conditional distribution ofY given a manifest variableZ, chosen to substitute forW. A unified treatment of conditions that may allow the detection of measurement bias using statistical procedures involving only observed or manifest variables is presented. Theorems are provided that give conditions for measurement invariance, and for invariance of the conditional distribution ofY givenZ. Additional theorems and examples explore the Bayes sufficiency ofZ, stochastic ordering inW, local independence ofY andZ, exponential families, and the reliability ofZ. It is shown that when Bayes sufficiency ofZ fails, the two forms of invariance will often not be equivalent in practice. Bayes sufficiency holds under Rasch model assumptions, and in long tests under certain conditions. It is concluded that bias detection procedures that rely strictly on observed variables are not in general diagnostic of measurement bias, or the lack of bias.Preparation of this article was supported in part by PSC-CUNY grant #661282 to Roger E. Millsap. 相似文献
863.
Roger Ariew 《Synthese》1992,92(1):101-116
Descartes' image of the tree of knowledge from the preface to the French edition of the Principles of Philosophy is usually taken to represent Descartes' break with the past and with the fragmentation of knowledge of the schools. But if Descartes' tree of knowledge is analyzed in its proper context, another interpretation emerges. A series of contrasts with other classifications of knowledge from the seventeenth and eighteenth centuries raises some puzzles: claims of originality and radical break from the past do not seem warranted. Further contrasts with Descartes' unpublished writings and with school doctrines lead to the ironic conclusion that, in the famous passage, Descartes is attempting to appeal to conventional wisdom and trying to avoid sounding novel. 相似文献
864.
Ben R. Slugoski Mansur Lalljee Roger Lamb Gerald P. Ginsburg 《European journal of social psychology》1993,23(3):219-238
Attribution theorists typically have conceived the attribution process in terms of universal laws of cognitive functioning, independent of social interaction. In this paper we argue for the notion, grounded in recent ordinary language philosophy, that any consideration of the form of everyday explanation must take into account its function as an answer to a ‘why’ question within a conversational framework. Experiment 1 provides support for the idea that speakers should identify as causally relevant that necessary condition for the occurrence of an event about which the enquirer is ignorant. Experiment 2 replicates this basic finding and further demonstrates that speakers will change their explanations to enquirers believed to be sharing different knowledge about the same target event. Experiment 2 also assessed the role of individual differences in conversational rule-following, and found in apparent contrast some previous predictions that high self-monitoring individuals were no more likely than lows to tailor their explanations to suit the enquirer's knowledge state. If anything, the reverse occurred. Taken together, these experiments support the central contention of the abnormal conditions focus model (Hilton and Slugoski, 1986), that the common sense criterion of causality is that of an ‘abnormal condition’ rather than constant conjunction as instantiated in the ANOVA model of causal attribution (Kelley, 1967, 1973). 相似文献
865.
Peter J. Adams M.A. Roger C. Katz Ph.D. Kenneth Beauchamp Ph.D. Esther Cohen Ph.D. Doreen Zavis B.A. 《Journal of child and family studies》1993,2(1):37-46
McCarthy (1990) contends that a cultural ideal of thinness (the thin ideal) causes depression and eating disorders to occur more frequently in women than men. She believes eating disorders are a way of coping with depression and hypothesizes that the thin ideal has its greatest impact during puberty when sexual attractiveness becomes important and changes in physical appearance increase the discrepancy between the adolescent girl's actual and ideal body image. The present study used a cross-sectional design of 5th, 8th, and 12th grade males and females (N = 599) to test several predictions from McCarthy's model. As expected, 8th and 12th grade females preferred a thinner than average body shape. They were more dissatisfied with their bodies than males and scored higher on measures of disordered eating. In contrast, before puberty (5th grade) boys were more depressed than their female peers but this pattern was reversed in 8th grade boys and girls. Paralleling changes in depression, disordered eating scores were highest in 8th and 12th grade girls. Both of these findings underscore the role of maturational factors in the onset of eating disorders. Although the sample was ethnically diverse and mainly from middle and low socioeconomic groups, there was a surprisingly high incidence of body dissatisfaction and symptoms of disordered eating. This illustrates the pervasiveness of thinness as a standard of feminine beauty in our society and the damaging effects it can have. 相似文献
866.
H. A. Chris Ninness John Fuerst Roger D. Rutherford Sigrid S. Glenn 《Journal of applied behavior analysis》1991,24(3):499-508
The instruction, maintenance, and transfer of training of social skills of 3 seriously emotionally disturbed adolescents were accomplished by a self-management training and reinforcement package. During baseline sessions these students, who were covertly filmed in their classroom, averaged over 90% off-task or socially inappropriate behavior while their teacher was out of the room. They showed similar behaviors when walking between classes, unattended by their teacher. Treatment was introduced in the classroom and consisted of social skills and self-management training and reinforcement. Treatment procedures included instruction, modeling, and role playing of social skills, as well as self-assessment, self-recording, and self-reinforcement for correct approximations of these skills. After 5 weeks of training, all subjects demonstrated substantial improvements in the classroom during the teacher's absence and when distracted by other students; however, transfer of social skills did not occur to the between-class setting until students were given explicit instruction to initiate self-managing procedures in this setting. 相似文献
867.
This paper describes the integration of structural family therapy and systemic consultation into an in-patient paediatric unit. Two case examples illustrate the approach used. It is concluded that six stages are involved in the successful integration of a systemic approach: planning and convening an initial staff meeting, developing a structural hypothesis, enlisting hierarchical support in the ward system, holding the family meeting, reconvening the professional team and disengaging the family and ward system. 相似文献
868.
John R. Reddon Roger Marceau Ronald R. Holden 《Journal of psychopathology and behavioral assessment》1985,7(3):243-259
The Profile of Mood States was administered to samples of 182 college males, 179 college females, and 257 prison inmates. College males and females did not differ significantly from each other in terms of scale elevation but differed from prison inmates on all scales except Fatigue-Inertia. The college samples differed from the published normative college samples, suggesting the importance of using local norms. A confirmatory item factor analysis suggested convergent item validity with the scoring key and similarity of structure across samples. Discriminant item validity, however, suggested that a smaller number of mood scales would offer a more justifiable interpretation of this inventory.This study was supported by the Alberta Hospital Edmonton, the Solicitor General of Canada, and Social Sciences and Humanities Research Council of Canada Grant 410-80-0576-XI. 相似文献
869.
Roger R. Rosa Daniel D. Wheeler Joel S. Warm Michael J. Colligan 《Behavior research methods》1985,17(1):6-15
The present investigation provided a laboratory test of long workdays and served as an initial step in developing a field-test battery that is sensitive to fatigue. Six subjects worked both a 12-h/4-day workweek and an 8-h/6-day week at a data-entry job simulation. Before and after the first and last days of each week, they completed a battery of brief tests measuring cognitive, perceptual-motor, task-sharing, motor, and sensory capacities, as well as subjective feelings. Results suggest that the 12-h/4-day week was more fatiguing than the 8 h/6-day week. In the data-entry job, it was easier to improve performance across the 8 h/6-day week. This result suggested that the fatigue of the 12-h days slowed the rate of improvement across the week. With respect to the test battery, two cognitive tasks (grammatical reasoning and digit addition) and several self-report scales also reflected greater fatigue in the 12-h/4day week. Performance efficiency decreased and reports of drowsiness and lack of concentration increased from the beginning to the end of the final 12-h workday. On the basis of these results, it was concluded that the test battery has utility for the assessment of the potential fatigue effects of long workdays in actual work settings. 相似文献
870.
Stroke patients with unilateral lesions were compared with age-controls and students on their ability to reproduce a terminal location established kinesthetically by a previous movement. Conditions for the criterion movement differed over active/passive and preselected/constrained (experiment 1) and whether the retention interval between the criterion and recall movements involved mental rehearsal of the criterion movement or yes/no responding to a mental arithmetic task (experiment 2). Whereas students showed more accurate recall with little effect of criterion movement condition, patient groups showed a preselection effect, but only with active movements. A preferred hand advantage observed for the patient controls did not occur with stroke patients, and prevention of mental rehearsal during the retention interval disrupted recall more for the stroke patients. These findings are interpreted in terms of hemisphere-specific coding strategies whose relative use depends on the attentional demands of the task. 相似文献