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Undergraduate psychology students rated the importance of several causes of examination outcomes both prior to and after taking a course exam. Similar attributions were made by advanced psychology students who served as course proctors. Students rated proctor characteristics as more important and their own characteristics as less important determinants of exam outcomes, particularly successful outcomes. Results suggested that positivity biases rather than egotism biases are operative in actual classroom settings. Further, contrary to expectancyconfirmation theory, student and proctor preexamination confidence was not strongly related to postexamination attributions. 相似文献
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We combine estimates of the value of patent rights from a survey of patent-holders with a set of indicator variables in order to model the value of patents. Our results suggest that the number of references to the patent literature as well as the citations a patent receives are positively related to its value. References to the non-patent literature are informative about the value of pharmaceutical and chemical patents, but not in other technical fields. Patents which are upheld in opposition and annulment procedures and patents representing large international patent families are particularly valuable. 相似文献
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Maughan RJ Depiesse F Geyer H;International Association of Athletics Federations 《Journal of sports sciences》2007,25(Z1):S103-S113
Many athletes use dietary supplements as part of their regular training or competition routine, including about 85% of elite track and field athletes. Supplements commonly used include vitamins, minerals, protein, creatine, and various "ergogenic" compounds. These supplements are often used without a full understanding or evaluation of the potential benefits and risks associated with their use, and without consultation with a sports nutrition professional. A few supplements may be helpful to athletes in specific circumstances, especially where food intake or food choice is restricted. Vitamin and mineral supplements should be used only when a food-based solution is not available. Sports drinks, energy bars, and protein-carbohydrate shakes may all be useful and convenient at specific times. There are well-documented roles for creatine, caffeine, and alkalinizing agents in enhancing performance in high-intensity exercise, although much of the evidence does not relate to specific athletic events. There are potential costs associated with all dietary supplements, including the risk of a positive doping result as a consequence of the presence of prohibited substances that are not declared on the label. 相似文献
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Forty Army families were investigated regarding their history of geographic mobility, identification with Army life, their personal well-being and children's school achievement and social competence. Frequent relocation was not found to be detrimental to service member or spouse and, in fact, was positively associated with higher child and social competence. Military identification correlated with well-being for service members, but not for spouses. However, it was the degree of spouse military identification that was more strongly related to children's adjustment than that of service members. The role of military living in reducing relocation stresses is discussed and implications are drawn for nonmilitary populations. 相似文献
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Eleven open and 11 traditional school teachers rated the achievement and behavior of students in their third-, fourth-, and fifth-grade classes. On both measures, girls were rated higher than boys and internals higher than externals. Sex interacted with school environment, such that girls' achievement ratings exceeded those of boys only in open classes. A predicted locus of control by environment interaction was not found for either achievement or behavior rankings. The relationship of these results to those found in studies using standardized achievement test data, rather than teacher ratings, is discussed. 相似文献