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This study examined whether and how mobile communication influences the extent to which one engages with new people in public settings. Contrary to our expectation, general use of the technology in public did not detract from conversing with strangers. Shifting focus from where one uses the mobile phone to how it is used, we found that uses for coordination and news each lead to increased conversations with strangers in public settings, while relational use detracted from them. The findings also reveal an interactive effect such that those who use mobile technology for news and frequently use it in public were more likely to engage with strangers in public. The discussion offers interpretation of the findings and directions for future research.  相似文献   
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The present study investigated children's and adolescents’ social reasoning about parenting roles in the home, specifically ‘second‐shift parenting’ by a mother or father. Surveys were administered to children (age 10) and adolescents (age 13), nearly evenly divided by gender (N= 200) in which two hypothetical scenarios were evaluated. Participants were asked to evaluate and justify second‐shift parenting arrangements for the family overall, for the parent in the role, and for the child in the family. Results showed that participants expected mothers rather than fathers to take on the second‐shift role, and second‐shift parenting was evaluated as more unfair for fathers than for mothers. Personal choice reasoning was used for justifying arrangements for the second‐shift parent and moral reasoning was used for justifying arrangements for the child. Social reasoning about the context of parental caretaking roles was multifaceted and varied by age and gender of participant more so than by self‐reported personal family arrangements.  相似文献   
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To explore the coexistence of substance use disorders and anxiety disorders in adolescents, we assessed adolescents presenting for treatment to an inpatient substance abuse treatment facility (SUH), an inpatient psychiatric treatment facility (IPH), and a community-based psychiatric facility (CMHC) for comorbid substance use and psychiatric diagnoses. Thirty subjects from each facility (N=90) were interviewed using the revised Child Schedule for Affective Disorders and Schizophrenia (K-SADS) and the Structured Clinical Interview DSM-III-R (SCID-R) for substance use diagnoses. Overall, comorbidity (anxiety and substance use disorders) prevalence was 67% (20/30) of adolescents in the SUH group, 33% (10/30) of the CMHC adolescents, and 33% (10/30) of the IPH adolescents. Alcohol and marijuana were the most frequently abused substances. Anxiety disorders commonly coexist with substance use disorders in adolescents. Early identification and treatment of anxiety disorders may in fact prevent substance abuse in this population.  相似文献   
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Religious discussion of human organs and tissues has concentrated largely on donation for therapeutic purposes. The retrieval and use of human tissue samples in diagnostic, research, and education contexts have, by contrast, received very little direct theological attention. Initially undertaken at the behest of the National Bioethics Advisory Commission, this essay seeks to explore the theological and religious questions embedded in nontherapeutic use of human tissue. It finds that the "donation paradigm" typically invoked in religious discourse to justify uses of the body for therapeutic reasons is inadequate in the context of nontherapeutic research, while the "resource paradigm" implicit in scientific discourse presumes a reductionist account of the body that runs contrary to important religious values about embodiment. The essay proposes a "contribution paradigm" that provides a religious perspective within which research on human tissue can be both justified and limited.  相似文献   
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