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171.
Is there a relationship between academic field and ability to use different types of semantic relation? Performance on two types of analogy item in the Graduate Record Examination (GRE) General Test was compared. Intensional relations are inherent in the meanings of the words and are based on shared or contrasting properties (e. g. farmer:person, breeze:gale, alive: dead, beggar: poor). Extensional relations reflect empirical relations between things in the world and are based on contiguity or causality (e. g.farmer:tractor, road:sidewalk, flu:headache). Performance on the two kinds of analogy items was compared for a single administration of the GRE for English and History majors (verbal group, n = 2238) and electrical engineering, computer science, and mathematics majors (practical group, n = 2143). The verbal group did better on intensional, and the practical group did better on extensional analogies. The difference was not explained by a correlated gender difference by which women did better on intensional and men did better on extensional items. Thus differences in the ability to use intensional and extensional relations was related to academic training, although the direction of this relationship was not established. 相似文献
172.
David W. Harrison Maryjo R. Gavin Walter Isaac 《Journal of psychopathology and behavioral assessment》1988,10(3):217-224
The design of a versatile and programmable transducer amplifier device with analogue display for self-monitoring of autonomic responses is described. The design features low cost, portability, and flexibility across direct-current transducer options (e.g., photoplethysmograph or thermistor). The device can be used for the visual or auditory display of continuous blood volume pulse or temperature measures where the relative amplitude or pulse rate is of concern. Auditory or visual biofeedback may be provided via the choice of a stacked bar-graph display or piezoelectric buzzer. A common circuit design to allow programming options for the estimation of heart rate, inter-beat interval, or pulse duration is provided. 相似文献
173.
David W. Harrison Walter Isaac 《Journal of psychopathology and behavioral assessment》1984,6(2):155-157
The design of a versatile, low-cost, hermetically sealed, infrared photoplethysmograph is described. The device can be used for optical readings of changes in blood volume which occur with cardiovascular events. Advantages of the device are discussed. 相似文献
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Two ready-signal variables (direction of change in electrocutaneous stimulation and method of presentation: “trace” or “delayed”) were combined in a 2 by 2 by Ss design. Neither variable produced a significant main effect but yielded a highly significant interaction. Results were interpreted in terms of arousal. intersensory. and conditioning explanations of ready-signal effects. 相似文献
176.
Isaac A. Friedman 《Social Psychology of Education》2002,5(3):229-251
The school principal's professional world is characterized by overwhelming responsibilities, information perplexities, and emotional anxiety. The main purpose of this study was to map the common work-related stressors encountered by principals and to assess their relative weight in terms of predicting school principal burnout. A sample of 821 elementary and secondary, male and female school principals participated in the study. They completed a self-report questionnaire containing two scales: a burnout scale (measured as a three-dimensional concept consisting of exhaustion, depersonalization, and accomplishment), and a role-pressures scale. Multiple analysis of variance (MANOVA), multiple linear regression, and discriminant function analysis were used in data processing. Findings show that burnout was affected mostly by pressures stemming from teachers and parents, and to a lesser extent, from overload (qualitative and quantitative). Differences between elementary and secondary school principals were noted. The findings imply that principals who feel that their leadership is challenged or rejected feel strongly stressed and eventually burned-out. 相似文献
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178.
The Role of Interest in Understanding the Career Choices of Female and Male College Students 总被引:2,自引:0,他引:2
Mismatch between college students' work goals and perceived goal affordances of physical/mathematical science careers may help explain gender differences in interest and career choice. In Study 1, the desire for interesting work was cited by most students in the sample (89% White, 6% Asian, 5% other). Compared to men, women reported interpersonal work goals more and high pay and status work goals less frequently. In Study 2, students (79% White, 12% Latino, 5% Asian, 4% other, predominantly middle class) perceived physical/mathematical science careers as less likely to afford interpersonal goals and more likely to afford high pay and status goals compared to other careers. Interpersonal goal affordances predicted greater interestingness for all careers, whereas high pay and status goal affordances predicted greater interestingness only for physical/mathematical sciences. Interestingness positively predicted likelihood of career choice. 相似文献
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