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21.
Summary A study of movement disorders such as Parkinson's disease and Huntington's disease can provide an indication of the motor functions of the basal ganglia. Basal-ganglia diseases affect voluntary movement and can cause involuntary movement. Deficits are often manifested during the coordination of fine multi-joint movements (e. g., handwriting). The disturbances of motor control (e.g. akinesia, bradykinesia) caused by basal-ganglia disorders are illustrated. Data suggest that the basal ganglia play an important role in the automatic execution of serially ordered complex movements. 相似文献
22.
David Phillips 《The Southern journal of philosophy》1997,35(3):393-417
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Paula Phillips Carson Kerry D. Carson Rodger W. Griffeth Robert P. Steel 《Journal of business and psychology》1994,8(4):455-466
Qualitative reviews of the withdrawal literature have reached inconsistent conclusions regarding the strength of the relationship between promotion and turnover. Several issues were addressed in this study which may account for these inconsistencies. First, we differentiate among three distinct operationalizations of promotion: (1) promotion satisfaction; (2) perceptions of promotional opportunity; and (3) actual promotion. We then conduct quantitative reviews using meta-analytic procedures on turnover and the three operationalizations of promotion. We found no significant relationships between promotion satisfaction and turnoveror between perceived promotional opportunities and turnover. However, a significant negative relationship was found between actual promotion and turnover. Theoretical implication of these findings are presented. 相似文献
25.
As reported in current research, many if not most freshmen and sophomores in colleges and universities who are declared as well as undeclared about their academic majors express uncertainty about their careers and lack the level of involvement in the career development process (especially self-assessment, career exploration, and career decision making) necessary to make educated career decisions. This research study, using both quantitative and qualitative research processes, identifies and examines differences and similarities in career uncertainty and in levels of involvement in the career development process between declared and undeclared college students. 相似文献
26.
The relationship between academic gender bias and female students' agentic self-efficacy expectations was examined. Agentic self-efficacy expectations was defined as an individual's beliefs about her ability to successfully engage in proactive educational and career facilitative behaviors. Participants included 67 full-time junior and senior undergraduate women enrolled in traditional, nontraditional, and gender-neutral majors. Results revealed that perceived academic gender bias was significantly predictive of agentic self-efficacy expectations, above and beyond the contributions of sex role attitudes, gender concentration of major, and race/ethnicity. Implications for women's career development and future research are discussed. 相似文献
27.
Sara M. Freedman James S. Phillips 《Organizational behavior and human decision processes》1985,35(3):397-416
Situational performance constraints, task interest, and pay contingencies were manipulated in a laboratory study in order to investigate the cognitive mechanisms associated with the previously observed detrimental effects of constraints on affective task reactions. It was hypothesized that feelings of task competence and self-determination would account for both the direct and the interactive effects of constraints on motivation and satisfaction. The results of the study indicated that despite the fact that participants' performance was being constrained and they were aware of these constraints, the mere presence of the constraints alone failed to result in lower levels of satisfaction or motivation on a proofreading task. Post hoc analyses suggested that the constraints, in fact, led to negative affective task reactions when they also reduced participants' feelings of competence and self-determination. Interestingly, participants' generalized locus of control was associated with such effects. Internals tended to maintain stronger feelings of competence and self-determination than externals in the presence of constraints, thereby also maintaining greater motivation and satisfaction. 相似文献
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Michael Feuerstein Mark Greenwald Michael P. Gamache Anthony S. Papciak Edwin W. Cook 《Journal of psychopathology and behavioral assessment》1985,7(4):301-315
The present study investigated the validity of an inpatient pain behavior rating scale modified for outpatient use. A series of 43 consecutive outpatients referred for evaluation of chronic pain was examined using the Pain Behavior Scale (PBS) and other psychometric instruments. Analyses revealed significantly higher Pain Behavior Scale scores for low back and multiple pain-site groups. The results also indicated a high degree of internal consistency of the scale. A multiple regression analysis, predicting observed pain behavior from reported pain behavior, indicated that decreased activity accounted for 32% of the variance in the PBS score. A similar regression for pain experience found that the pain level and the sensory scale score on the McGill Pain Questionnaire accounted for 39% of the PBS variance. Psychological characteristics including disease conviction, self-control, depression, and anxiety explained 45% of the variability in the PBS score. Thus, the scale is related to pain intensity, interference with activities, and a variety of psychological characteristics. The scale provides a measure of observable pain behavior that is also relatively independent of these clinical data sources. The Pain Behavior Scale as modified for outpatient use provides a brief index of pain behavior with potential use in the comprehensive evaluation of the pain patient. 相似文献
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This study reviews research on cultural differences in “probabilistic thinking” and presents some intra- and inter-cultural findings. Strong differences are shown to exist between people raised under Asian and British cultures on measures of this ability. These differences were found to out-weigh any influence of subculture, religion, occupation, arts/science orientation and sex. Generally, Asians were found to adopt a less finely differentiated view of uncertainty both numerically and verbally than did the British sample. Numerical probabilities assessed by the Asians were more extreme and less realistic than those assessed by the British sample. Possible antecedents of these differences are outlined, and cultural differences in probabilistic thinking are shown to be compatible with decriptions of cultural differences in business decision making. It is argued that there are qualitative cultural differences in ways of dealing with uncertainty. 相似文献