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31.
Male and female encoding-decoding of spontaneous and enacted nonverbal affective behavior was evaluated using the Buck (1977) slide-viewing paradigm. The eliciting stimuli were carefully selected and evaluated to insure a comparable emotional impact on both sexes, and all subjects received the same decoding task. Consistent with previous research, females were superior decoders overall. Also as predicted, females were superior encoders, principally when reacting spontaneously to the slides. Given no evidence of differential affective arousal, this sex difference for spontaneous encoding is interpreted to reflect differences in male-female display rules. Contrary to several previous findings spontaneous and enacted encoding measures were not strongly related, especially for males, where display rules may modify their spontaneous and enacted expressive behavior in comparison to females. There was no consistent positive or negative relationship between dimensional or category measures of encoding-decoding for either sex. Future investigations should separately evaluate encoding-decoding phenomena for each sex, employing more precise methods to evaluate the specific nonverbal behaviors actually important to the encoding-decoding communication process. 相似文献
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Distance learning can be useful for bridging geographical barriers to education in rural settings. However, empirical evidence on the equivalence of distance education and traditional face-to-face (F2F) instruction in statistics and biostatistics is mixed. Despite the difficulty in randomization, we minimized intra-instructor variation between F2F and online sections in seven graduate-level biostatistics service courses in a synchronous (live, real time) fashion; that is, for each course taught in a traditional F2F setting, a separate set of students were taught simultaneously via online learning technology, allowing for two-way interaction between instructor and students. Our primary objective was to compare student performance in the two courses that use these two teaching modes. We used a Bayesian hierarchical model to test equivalence of modes. The frequentist mixed model approach was also conducted for reference. The results of Bayesian and frequentist methods agree and suggest a difference of less than 1% in average final grades. Finally, we discuss barriers to instruction and learning using the applied online teaching technology. 相似文献
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An Erratum has been published for this article in Pharmaceutical Statistics 2004; 3(3): 232 Since the early 1990s, average bioequivalence (ABE) has served as the international standard for demonstrating that two formulations of drug product will provide the same therapeutic benefit and safety profile. Population (PBE) and individual (IBE) bioequivalence have been the subject of intense international debate since methods for their assessment were proposed in the late 1980s. Guidance has been proposed by the Food and Drug Administration (FDA) for the implementation of these techniques in the pioneer and generic pharmaceutical industries. Hitherto no consensus among regulators, academia and industry has been established on the use of the IBE and PBE metrics. The need for more stringent bioequivalence criteria has not been demonstrated, and it is known that the PBE and IBE criteria proposed by the FDA are actually less stringent under certain conditions. The statistical properties of method of moments and restricted maximum likelihood modelling in replicate designs will be summarized, and the application of these techniques in the assessment of ABE, IBE and PBE will be considered based on a database of 51 replicate design studies and using simulation. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
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David A. Wilder Carelle Harris Sarah Casella Byron Wine Nicki Postma 《Journal of Organizational Behavior Management》2013,33(2):130-139
Previous research (i.e., Wilder, Rost, &; McMahon, 2007) has suggested that managers perform poorly when predicting items and activities which their employees state that they might like to earn as part of performance improvement programs. The purpose of the current study was to replicate the earlier study conducted by Wilder et al. (2007) with a larger and more diverse sample of managers and employees. One hundred employees and 15 managers were asked to rank order a list of items/activities they thought their employees would most prefer to be incorporated into a performance improvement plan. Next, employee preference for these same items was directly assessed using an employee reinforcer survey. Kendall rank-order correlation coefficients were used to compare the results of the managerial rank with the employee reinforcer survey. Correlations ranged from ?.6 to 1, with a mean of .25. 相似文献
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Byron Wine Cara Gugliemella Saul Axelrod 《Journal of Organizational Behavior Management》2013,33(4):244-251
Generalized-conditioned reinforcers (GCRs) are advocated for by practitioners when possible because of their ability to function as reinforcers across a wide array of motivative operations. In organizational behavior management 2 common GCRs are praise and money. Although many studies have demonstrated their usefulness, no prior study has compared relative preferences for GCRs (specifically money) and other potentially reinforcing items. A total of 24 direct care employees from a group home setting completed assessments for potential reinforcers. All participants in the current study identified items other than money as high-preference items, suggesting that some items may serve as alternatives to money in terms of preference. 相似文献