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191.
Linear systems analysis of the Limulus retina 总被引:5,自引:0,他引:5
192.
193.
A mixed methods design was used to collect data from 30 men who were currently, or had a history of, participating in anonymous public sex in college campus venues. Data were analyzed to assess the extent to which participation in these behaviors was associated with both positive and negative outcomes across the areas of physical health, mental health and social well-being. Findings indicated that cruising for sex on a college campus simultaneously presents challenges to, and supports, the health of gay and bisexual men. Recommendations for interfacing with these men by campus and community health providers are given. 相似文献
194.
James M. Robins Tyler J. VanderWeele Richard D. Gill 《Scandinavian Journal of Statistics》2015,42(2):329-335
We give a simple proof of Bell's inequality in quantum mechanics using theory from causal interaction, which, in conjunction with experiments, demonstrates that the local hidden variable assumption is false. The proof sheds light on relationships between the notion of causal interaction and interference between treatments. 相似文献
195.
Tyler JL 《Physician executive》1999,25(5):20-24
Increasingly, physician executives are reaching the conclusion that if they choose, they may be viable candidates for CEO positions. While this opinion has merit, it must be tempered by marketplace realities. A fundamental issue for VPMAs aspiring to become CEOs is that they have little formalized training or education for CEO roles. Also, they may lack team-building skills--a critical success factor. Physician executives who seek out professional development opportunities that enhance both their interpersonal/management and "business" skills--accounting, finance, and planning--are more likely to be attractive candidates and succeed once they are in the position. Another consideration is that the CEO position usually has a precursor role--the COO. This position is the training ground for the CEO. Physician executives aspiring to be CEO will want to consider the following suggestions: (1) Make your intentions known; (2) groom your successor; (3) request a title change; (4) get your master's degree; (5) pursue professional development opportunities; (6) consider leaving the organization; and (7) talk with your family. 相似文献
196.
This study examined whether the development of happy victimizing (HV) from early to middle childhood predicted prosocial and aggressive behaviors 3 years later. Participants included 150 children (50% female, Mage at study onset = 4.53 years) and their parents at four annual time points. At each time point, semi-structured interviews were conducted to assess children's emotional expectations after committing hypothetical transgressions. Child and parent reports of children's prosocial behaviors and aggression were provided at the beginning and end of the study. Children who experienced faster declines in HV reported higher prosocial behaviors 3 years later, controlling for initial levels of prosocial behaviors. Children who exhibited increases or lesser declines in HV reported higher aggression at the study end. The development of HV was not related significantly to parent reports of prosocial behaviors and aggression in middle childhood. Findings confirm theorizing on the normative developmental trajectory of HV and suggest that deviations in HV across early childhood may partially explain later behavioral adjustment. 相似文献