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Birthdates of professional female and male baseball players active from 1943 to 1954 (the beginning and final years for professional female leagues) were matched for year of birth and league years and then compared by birth quarters, with a cutoff date beginning August 1. A relative age effect was noted for males, as there was a significantly different distribution of players across birth quarter, but there was no such effect for female professionals. Since players were matched for birth year and league play, the difference was unlikely to be due to seasonality differences in birth. Instead, the absence of a "relative age" effect for female players can be attributed to the absence of organized adolescent baseball for girls prior to the establishment of professional baseball leagues for women.  相似文献   
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This study examined the beliefs of church leaders about health and associations between these beliefs and the church health promotion environment (CHPE). Perceptions of the CHPE by leaders and members of the same churches were also compared. Interviews were conducted with pastors (n = 40) and members (n = 96) of rural churches. They were Baptist (60%), and 57.5% were predominantly White, while 42.5% were Black. Leaders’ beliefs regarding talking about health topics in sermons were associated with the presence of health messages in the church. There was also a significant association between leaders’ beliefs about members’ receptivity to health messages and the presence of messages in the church. Leaders’ and members’ perceptions of the CHPE were discordant. While some leaders’ beliefs may be related to the CHPE, other factors may explain why programs and policies exist in some churches and not others.  相似文献   
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This article describes a conceptual model of cognitive and emotional processes proposed to mediate the relation between youth exposure to family violence and teen dating violence perpetration. Explicit beliefs about violence, internal knowledge structures, and executive functioning are hypothesized as cognitive mediators, and their potential influences upon one another are described. Theory and research on the role of emotions and emotional processes in the relation between youths’ exposure to family violence and teen dating violence perpetration are also reviewed. We present an integrated model that highlights how emotions and emotional processes work in tandem with hypothesized cognitive mediators to predict teen dating violence.  相似文献   
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