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71.
The present study examined indirect over-time relations between parenting and adolescent sexuality through global self-esteem. Three waves of online questionnaire data were collected among a community sample of 1,116 Dutch adolescents (M = 13.9 years at baseline). Participants rated the quality of their relationship with parents, their global self-esteem, and their experience with various sexual behaviors. Sexually experienced adolescents (n = 168) evaluated their sexual experiences using six emotions. Path model results showed that a higher-quality relationship with parents at T1 predicted higher levels of self-esteem at T2, which in turn predicted less experience with sexual behaviors and more positive sexual emotions at T3. The indirect over-time path from relationship quality through self-esteem to adolescents’ sexual emotions was significant; the indirect path to adolescents’ experience with sexual behaviors was not significant at the .05 level. No significant age or gender differences were found in the path models. The findings indicate that self-esteem plays an important role in adolescent sexuality and that parents can contribute to positive sexual experiences of adolescents indirectly—through the enhancement of self-esteem—by fostering a high-quality relationship with their children. Implications for theory, future research, and strategies to promote healthy and positive youth sexuality are discussed. 相似文献
72.
Hamza Karčić 《Journal of Muslim Minority Affairs》2014,34(3):282-292
This article will analyse Bosnian Muslims response and contribution to the construction of the Hejaz Railway. Based on primary sources during the 1900–1908 period, the article will argue that Bosnian Muslims actively followed news about the progress of the railway and financially contributed to its construction. Bosnian Muslim contribution took the form of establishing committees for the collection of voluntary donations in a number of Bosnian towns in 1905 and 1906. The active involvement of Bosnian Muslims in the construction of the Hejaz Railway shows that the spiritual bonds between Bosnian Muslims living in Austria-Hungary and their Caliph in Istanbul were not completely severed by the Austro-Hungarian occupation of Bosnia in 1878. Following a brief survey of Bosnian Muslim history within the Austro-Hungarian Empire, the article describes the Hejaz Railway project and surveys the Bosnian Muslim contribution to the project. 相似文献
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Ratko Tošić 《Journal of statistical planning and inference》1980,4(2):169-171
Consider the following problem. There are exactly two defective (unknown) elements in the set X={x1, x2,…,xn}, all possibilities occuring with equal probabilities. We want to identify the unknown (defective) elements by testing some subsets A of X, and for each such set A determining whether A contains any of them. The test on an individual subset A informs us that either all elements of the tested set A are good, or that at least one of them is defective (but we do not know which ones or how many). A set containing at least one defective element is said to be defective. Our aim is to minimize the maximal number of tests. For the optimal strategy, let the maximal test length be denoted by l2(n). We obtain the value of this function for an infinite sequence of values of n. 相似文献
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Smiljka Tomanović 《International Journal of Social Research Methodology》2013,16(3):267-271
Systematic review and synthesis methods have gained wide acceptance within the social sciences and, as a result, many postgraduate students now consider using them for their thesis or dissertation research. However, students are rarely aware of all the concrete implications that their decision entails. This reflective narrative reports the experience of a political science student who began to conduct a systematic review as part of his Ph.D. dissertation but who did not complete it. The aim of this article is to identify challenges and lessons learned from this experience and to formulate recommendations for postgraduate students who wish to make an informed choice with respect to the use of these methods. 相似文献
77.
A. Žilinskasi 《Statistics》2013,47(2):255-266
A new approach for the construction of statistical models for multimodal optimization is proposed; the examples of such models are given. The results of the psychological experiment show that the proposed approach is intuitively acceptable. 相似文献
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Ljiljana Kaliterna Stjepan Vidaček Zvjezdana Prizmic Biserka Radošević-Vidašek 《Work and stress》2013,27(2-3):140-147
Abstract This study was aimed at evaluating the most important relations between individual characteristics of shiftworkers and their subjective health complaints, obtained by cross-sectional and longitudinal procedures. A total of 604 shiftworkers and 185 young subjects who were going to enter shiftwork were examined by means of individual difference and subjective health questionnaires. The questionnaires were administered concurrently to the group of workers already involved in shiftwork. In the other group studied, the questionnaires were administered before they entered shiftwork, and subjective health was re-examined after the first and third year of work on shifts. More health complaints were reported by the group of older workers and those with longer shiftwork experience, with higher scores of neuroticism, hard-driving and competitiveness, speed and impatience, and rigidity of sleeping habits, and lower scores on relaxedness, efficiency and vigorousness. However, the correlations between these dimensions, when taken before entering shiftwork, and subjective health complaints obtained after a few years working on shifts were small or absent, indicating low validity of the individual difference measures for predicting subsequent health problems in shiftworkers. 相似文献