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171.
Isaac Cabase 《Behavior research methods》1980,12(2):265-265
A computer maintenance service provided by Tymshare, Inc., is described. 相似文献
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We present a decision-theoretically motivated notion of contraction which, we claim, encodes the principles of minimal change and entrenchment. Contraction is seen as an operation whose goal is to minimize loses of informational value. The operation is also compatible with the principle that in contracting A one should preserve the sentences better entrenched than A (when the belief set contains A). Even when the principle of minimal change and the latter motivation for entrenchment figure prominently among the basic intuitions in the works of, among others, Quine and Ullian (1978), Levi (1980, 1991), Harman (1988) and Gärdenfors (1988), formal accounts of belief change (AGM, KM – see Gärdenfors (1988); Katsuno and Mendelzon (1991)) have abandoned both principles (see Rott (2000)). We argue for the principles and we show how to construct a contraction operation, which obeys both. An axiom system is proposed. We also prove that the decision-theoretic notion of contraction can be completely characterized in terms of the given axioms. Proving this type of completeness result is a well-known open problem in the field, whose solution requires employing both decision-theoretical techniques and logical methods recently used in belief change. 相似文献
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Lee Allison Karen E. Flaherty Jin Ho Jung Isaac Washburn 《Journal of Personal Selling & Sales Management》2016,36(1):3-18
Sales researchers have largely ignored the idea that salespeople form attachments to the brands that they sell, and that these attachments hold important consequences for sales outcomes. Drawing on job demands-resources theory, the authors suggest that salesperson brand attachment (SBA) serves as a unique psychological resource for salespeople. Using data from 154 salespeople from the beverage industry, they provide evidence that SBA increases selling effort toward the brand, and ultimately job satisfaction. In addition, they show that salesperson's brand attachment acts as a buffer against perceived job demands, including job codification and hierarchy of authority. In general, results support the job demands-resources framework and confirm that SBA is a resource that may be leveraged to offset job demands, under certain situations. 相似文献
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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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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