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The frequency of involvement in sports often has been concurrently and longitudinally associated with higher self-esteem. The interpretation of this association consistently has been framed as involvement in sports leading to higher levels of self-esteem over time (i.e., socialization effect), although no studies have tested whether higher levels of self-esteem lead to increased involvement in sports over time (i.e., selection effect). Another important aspect of involvement in sports that may be related to self-esteem is the degree to which youth enjoy sports. However, this aspect has received much less attention. To address these gaps in the literature, we first examined the bidirectional effects between self-esteem and the frequency of involvement in sports with 1,492 adolescents (50.8 % female; 92.4 % Canadian-born) over 4 years. Higher levels of self-esteem predicted greater involvement in sports over time, but greater involvement in sports did not predict higher levels of self-esteem over time, offering support only for selection effects. We then tested the bidirectional effects between the enjoyment of sports and self-esteem and found evidence of both socialization and selection effects. Specifically, greater enjoyment of sports predicted higher self-esteem over time, and higher self-esteem predicted greater enjoyment of sports over time. These novel findings suggest that adolescents with higher self-esteem play sports more frequently and enjoy sports more than adolescents with lower self-esteem. In addition, the degree to which adolescents enjoy sports may be more important for increasing self-esteem than the frequency with which adolescents play sports.  相似文献   
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The majority of research on the link between video games and aggression has focused on the violent content in games. In contrast, recent experimental research suggests that it is video game competition, not violence, that has the greatest effect on aggression in the short-term. However, no researchers have examined the long-term relationship between video game competition and aggression. In addition, if competition in video games is a significant reason for the link between video game play and aggression, then other competitive activities, such as competitive gambling, also may predict aggression over time. In the current study, we directly assessed the socialization (competitive video game play and competitive gambling predicts aggression over time) versus selection hypotheses (aggression predicts competitive video game play and competitive gambling over time). Adolescents (N = 1,492, 50.8 % female) were surveyed annually from Grade 9 to Grade 12 about their video game play, gambling, and aggressive behaviors. Greater competitive video game play and competitive gambling predicted higher levels of aggression over time, after controlling for previous levels of aggression, supporting the socialization hypothesis. The selection hypothesis also was supported, as aggression predicted greater competitive video game play and competitive gambling over time, after controlling for previous competitive video game play and competitive gambling. Our findings, taken together with the fact that millions of adolescents play competitive video games every day and that competitive gambling may increase as adolescents transition into adulthood, highlight the need for a greater understanding of the relationship between competition and aggression.  相似文献   
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Some researchers have proposed that video games possess good learning principles and may promote problem solving skills. Empirical research regarding this relationship, however, is limited. The goal of the presented study was to examine whether strategic video game play (i.e., role playing and strategy games) predicted self-reported problem solving skills among a sample of 1,492 adolescents (50.8 % female), over the four high school years. The results showed that more strategic video game play predicted higher self-reported problem solving skills over time than less strategic video game play. In addition, the results showed support for an indirect association between strategic video game play and academic grades, in that strategic video game play predicted higher self-reported problem solving skills, and, in turn, higher self-reported problem solving skills predicted higher academic grades. The novel findings that strategic video games promote self-reported problem solving skills and indirectly predict academic grades are important considering that millions of adolescents play video games every day.  相似文献   
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This essay explicates Mary Austin's theory of citizenship and demonstrates her contribution to the larger literature on social democratic citizenship emerging in the early twentieth century. The primary text considered is her monograph, The Young Woman Citizen (1918) . In this piece, Austin reimagines the spatial and gender ordering of the polity to create an integrative and inclusive civic ideal. She employs the concepts of society and mind as a means of blurring the boundaries between the public and private and integrating the polity, while she turns to woman-thought, social capital, and the generative state to secure women's inclusion. Austin's work combines a unique form of the gender-difference argument for suffrage with progressive political philosophies in an effort to construct a model of the polity in which women share sovereignty with men, socially, culturally, and institutionally.  相似文献   
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This study investigated the relation of adolescent same-sex attraction to “successful development” (Baltes, P. B., Am. Psychol. 32:366–380, 1997). Based on a survey of high-school adolescents, four groups were defined according to the nature of self-reported sexual attraction: exclusively heterosexual (EHA; n=3594); mostly heterosexual (MHA; n=124); bisexual (BSA; n=122); and same-sex attraction (SSA, n=36). Groups were compared across multiple intrapersonal, interpersonal, and environmental domains based on mean group differences and prevalence of developmental assets. Although the EHA group reported the most positive status across domains, several similarities among the groups were noted. Groups did not differ significantly in friendship quality and perceptions of school climate in the mean group comparisons, as well as academic orientation and (low) peer victimization in the assets-based analyses. Implications for successful development among adolescents reporting same-sex attraction are discussed along with the integration of the study of non-heterosexual youth into mainstream adolescent research.
Michael A. BusseriEmail:
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