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Although the relation between family relationships and the timing of sexual debut has been the focus of many studies, research on mediating factors is scarce. This study examines whether low levels of family cohesion result in an earlier onset of romantic and sexual experiences, and whether the link between family cohesion and an early sexual debut is mediated by early romantic initiation. A longitudinal sample of 314 adolescent girls and 222 boys, aged 12–17 at Wave 1, completed questionnaires at three measurement points with three year intervals. The results showed that sexual debut followed romantic initiation for 77% of the participants. For early adolescent females (aged 12–14), high levels of family cohesion resulted in a later sexual debut and this association was fully mediated by a delay of romantic initiation. Among boys and older girls, timing of romantic initiation did not mediate the link between family cohesion and timing of sexual initiation. Early adolescent girls who have negative relationships with their parents turn to romantic relationships for intimacy and support, which subsequently provide the opportunity for an early sexual debut. Low levels of family cohesion thus primarily precipitate romantic initiation and sexual initiation appears to be secondary to this process among girls in this age group.  相似文献   
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[Editor's note] The following is the text Sir Eric St. Johnston delivered before the members of the Wichita Crime Commission at their 24th Annual dinner meeting on October 19, 1977. Sir Eric St. Johnston is formerly of the Chief of Scotland Yard and Chief Inspector of Constabulary for England and Wales. Among others, he is a Knight of the Order of the Thistle, holder of the Commander Order of the British Empire, the Queen's Police Medal and the French Legion of Honour and Croix de Guerre. In his text, Sir Eric mentions various similarities and and dissimilarities regarding the police practices of two countries. He is of the opinion that there are a great deal of advantages in a centralized police system as contrasted to the American counterpart. This statement is similar to the Editor's assertion made some ten years ago. [Re: “Police Reorganization As A Deterrent to Crime,” Police, Vol. 12, No. 14, March-April, 1978, pp. 73–79. See also Crime and Delinquency Abstracts, Vol. 16, National Clearinghouse for Mental Health Information of the U.S. Department of HEW, Public Service, 1969, p. 589] Readers will find Sir Eric's text not only timely, stimulating and provocative, but also insightful through his comparison of his long career in English police with that of the United States' police. Certainly his remarks provide police planners and policy makers with what should be most pressing needs for combating the ever-increasing crime in England, the United States, and the world as a whole. The permission to reprint was obtained from Sir Eric by the Editor personally. The Editor wishes to take this opportunity to thank Mr. Maurice W. Corcoran, Managing Director, and his colleagues Mr. Will G. Price, Jr., President; Mr. Jay W. Swanson, Chairman of the Board; Mr. J. A. Mull, Jr., Past President; and Mr. William L. Connelly, Chairman, Annual Dinner Committee; all of the Wichita Crime Commission for their efforts and cooperation.  相似文献   
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Higher self-concept clarity is related to several adjustment indices and may be promoted by open communication with parents, while problems with self-concept clarity development could enhance internalizing problems (i.e., depressive and anxiety symptoms) in adolescence. This longitudinal study examined linkages between self-concept clarity, adolescents’ open communication with parents, and adolescent depressive and anxiety symptoms. Dutch youths (N = 323; 51.1 % girls; mean age Time 1 = 13.3 years) reported on these constructs over four consecutive annual measurements. Concurrent positive links between open communication and self-concept clarity were found at Time 1. Over time, higher levels of open communication with parents predicted higher self-concept clarity only in middle adolescence (mean age between 14 and 15 years). We also found concurrent associations between self-concept clarity and both depressive and anxiety symptoms. Longitudinally, lower self-concept clarity predicted relatively higher levels of depressive symptoms across all waves, and also higher anxiety levels from Time 1 to Time 2. Conversely, higher levels of anxiety also predicted lower levels of self-concept clarity during the first three waves. Self-concept clarity did not mediate the longitudinal associations between open communication and internalizing symptoms. This study is one of the first to investigate self-concept clarity across adolescence. It highlights the possible importance of both anxiety symptoms and communication with parents in understanding the development of a clear self-concept, and demonstrates an association between lower self-concept clarity and higher levels of later depressive and anxiety symptoms.  相似文献   
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