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The demographic and sociopsychological profile of 102 high school and 754 college Army ROTC cadets was compared and contrasted against that of their non-ROTC classmates. The ROTC students were found to differ from their classmates in military background, academic aptitude, personal values, attributes sought in a job, political position, bureaucratic tendencies, and other socio-psychological characteristics. These differences grew larger with time, as progressively older samples of cadets and noncadets were studied. Because of the cross-sectional nature of the present study, it was not possible to determine the extent to which these widening differences were due to: (a) selection differences present at the moment of entry into ROTC; (b) attrition from the ROTC group of cadets with a “deviant” profile; and/or (c) actual changes in cadets brought about by exposure to a military career. Nevertheless, these findings point to the possible existence of a “military personality” that is evident at early career development stages and even among ROTC civilians supposed to provide a “leavening” effect on the United States military.  相似文献   
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A rational justification for therapeutic decisions can be developed using probability and decision theory. The set of treatments and their outcomes or consequences, which are states of health, have to be defined; and estimates made of the probabilities of outcomes, their utilities, and the costs of treatments. Most difficult is the estimation of utilities of states of health but this may be possible using a ‘wagering’ technique. Until it is possible to establish some equivalence between utility and money, costs may be introduced by measuring the efficiency of treatment by comparing expected utilities per unit cost. The whole method is examined practically in a plausible clinical setting. Emphasis is laid on the value of testing the completed model using a computer to get an intimate feel of the problem using different assumptions and different values for all the parameters.  相似文献   
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It has been claimed that most of the world’s preventable suffering and death are caused not by terrorism but by poverty. That claim, if true, could be hard to substantiate. For most terrorism is not publicly recognized as such, and it is far commoner than paradigms of the usual suspects suggest. Everyday lives under oppressive regimes, in racist environments, and of women, children, and elders everywhere who suffer violence in their homes offer instances of terrorisms that seldom capture public attention. Or so this essay argues, through exploring two models of terrorism and the points of view highlighted by each.  相似文献   
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Similarity in early adolescent friends' general aggressiveness is well known, but questions remain regarding the degree to which friends aggress against the same victims. The authors examined this by administering the newly created Dyadic Aggression and Victimization Inventory to 417 sixth- through eighth-grade boys and girls (53%). Friends were found to share more targets for aggression than nonfriends, even after general levels of aggression were controlled (all ps < .05). Moreover, greater sharing of targets with friends relative to nonfriends was more pronounced among aggressive youths than nonaggressive youths, especially among aggressive youths' best friends relative to their other friends. Generally, these findings were similar across boys and girls as well as among older and younger youths. Implications of these findings and directions for future research are discussed.  相似文献   
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