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Depression is a common and debilitating disorder in adolescence. Sleep disturbances and depression often co-occur with sleep disturbances frequently preceding depression. The current study investigated whether catastrophic worry, a potential cognitive vulnerability, mediates the relationship between adolescent sleep disturbances and depressive symptoms, as well as whether there are gender differences in this relationship. High school students, ages 16–18, n = 1,760, 49 % girls, completed annual health surveys including reports of sleep disturbance, catastrophic worry, and depressive symptoms. Sleep disturbances predicted depressive symptoms 1-year later. Catastrophic worry partially mediated the relationship. Girls reported more sleep disturbances, depressive symptoms, and catastrophic worry relative to boys. The results, however, were similar regardless of gender. Sleep disturbances and catastrophic worry may provide school nurses, psychologists, teachers, and parents with non-gender specific early indicators of risk for depression. Several potentially important practical implications, including suggestions for intervention and prevention programs, are highlighted.  相似文献   
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Ohne Zusammenfassung Rezension zu: Thomas Lange und Geoff Pugh: The Economics of German Unification. Cheltenham: Edward Elgar 1998, xxiii, 209 S., £ 49,95.  相似文献   
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This research, using the content, validity and clinical scales found in the MMPI-2, investigates the differences in the psychological makeup of male versus female police recruits. The research design involves testing of police recruits on the first day of their academy experience. The literature on the police personality suggest that there exists a stereotype for male officers, a finding replicated in this study. The findings of this research also suggest that female officers do not generally fit the stereotype found in the study of male officers. An earlier version of this paper was present at the 1996 Annual Meeting of the Academy of Criminal Justice Sciences, March 12–16, 1996, Las Vegas, Nevada.  相似文献   
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It has been a generally accepted practice among document examiners to request known handwriting standards which duplicate the questioned material under examination.When initials are questioned it is not always possible to have initials duplicated and known signatures are sometimes substituted.A research study was conducted using a sample of 65 writers to determine if the letters in a group of initials were written in the same manner as the capital letters in a signature. The study showed that 69% of the writers in the sample made one or more changes or additions to their initials which were not present when they wrote their signatures.  相似文献   
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