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81.
Ana I. Balsa Jenny F. Homer Michael T. French Edward C. Norton 《Journal of research on adolescence》2011,21(3):559-568
Although many economic analyses of adolescents have examined the costs of risky behaviors, few have investigated the gains that young people derive from such actions, particularly in terms of social payoffs for complying with peer behavior. This paper studies the relationship between adolescents' use of alcohol (relative to that of their peers) and popularity at school. We use data from the National Longitudinal Study of Adolescent Health, a rich and nationally representative survey with detailed information on social networks. Our findings suggest that adolescents are socially rewarded for conforming to their peers' alcohol use and penalized (to a lesser degree) for increasing their consumption above that of their peers. Male adolescents are rewarded for keeping up with their peers' drinking and for getting drunk. Female adolescents are rewarded for drinking per se, but not necessarily for keeping up with their peers. The results offer new information on peer influence and have implications for substance abuse interventions at school and in the community. 相似文献
82.
83.
Caroline Berghammer 《Revue europeenne de demographie》2009,25(3):297-324
Although previous studies have demonstrated that religious people in Europe have larger families, the role played by religious socialisation in the context of contemporary fertility behaviour has not yet been analysed in detail. This contribution specifically looks at the interrelation between religious socialisation and current religiosity and their impact on the transition to the third child for Dutch women. It is based on data of the first wave of the Netherlands Kinship Panel Study (2002–2004) and uses event history analysis. The transitions to first, second and third birth are modelled jointly with a control for unobserved heterogeneity. The findings provide evidence for an impact of women’s current church attendance as well as religious socialisation measured by their fathers’ religious affiliation, when they were teenagers. A religious family background remains influential even when a woman has stopped attending church. The effects of religious indicators strengthen over cohorts. Moreover, the combined religious make-up of the respondent’s parents also significantly determines the progression to the third child. 相似文献
84.
This article discusses the originality of European EUREKA consortia. Formed at the initiative of member firms, these consortia generally adopt a decentralised structure. Their main purpose is to conduct applied research, with the ultimate goal of exploiting its commercial opportunities. The consortia strive to ensure collaboration among firms in different countries, and at times, from different industries. Examining the management of R&D consortia, this article focuses primarily on the creation of new knowledge and competencies and on the benefits that member firms can reap from collaboration. Based on 20 interviews with project managers, the article brings to light two main observations: (1) the leader's positioning is a determining factor, and (2) a perfect balance between the firm's technological development and the consortium's strategic orientation facilitates the acquisition of competencies. 相似文献
85.
This paper reviews earlier research and presents new analytical findings regarding the outcomes of social movements. Using the resource mobilization/management approach, empirical propositions that seek to explain protest group success or failure are tested. Based upon data gathered from a sample of 53 US protest groups, the causal models explained the majority of the variance in degree of success between these groups. Our findings indicate that protest groups which threaten to replace or destroy established groups are usually unsuccessful, and those having many strong alliances tend to be more successful than groups fighting alone. The use of violence does not greatly aid the prediction of group outcome because of the unpredictable, ambivalent reaction to violence by established groups. 相似文献
86.
Jesse J. Helton Yit Mui Khoo Cara L. Wallace Ashley Whitehead Caroline Kebbe 《Child & Family Social Work》2020,25(2):313-324
This study examined foster parent physical and mental health over time. It was hypothesized that increased severity and frequency of child behavioural problems, whether externalizing or internalizing, would be associated with poorer health over time, especially for foster parents ≥60 years of age. Data from the baseline and Wave 2 interview of the 2010 National Survey of Child and Adolescent Well‐Being were used. The final analytic sample included kin and nonkin foster parents who had custody of a foster child for both waves of data collection (n = 962). Ordinary Least Squares regression models with lagged dependent variables showed that foster parents ≥60 had deteriorating physical health over time, but caregiver age alone had no association with worsening mental health. However, parents ≥60 caring for children with externalizing behavioural problems had significantly improved physical health. Mental health of parents ≥60 significantly diminished if child externalizing or internalizing problems worsened. Findings indicate that for aging foster parents, externalizing child behaviours may stimulate physical activity and improved physical health, yet any type of child behavioural problem can deteriorate mental health functioning. 相似文献
87.
Objective. This article examines how events—such as changes in household composition, employment status, disability status, and economic conditions—affect poverty entries and exits. We also examine whether the role these events play in poverty transitions differs in the pre‐ and post‐welfare‐reform periods. Methods. The analysis uses discrete‐time multivariate hazard models along with monthly, longitudinal data from the 1988, 1990, and 1996 panels of the Survey of Income and Program Participation (SIPP). Results. Analyses show that many events are related to the likelihood of entering and exiting poverty. Of the trigger events examined, individuals living in households that experience a loss or gain of employment are the most likely to enter and exit poverty. We also find that changes in employment are more important in the 1996 to 1999 time period—after welfare reform—than in the 1988 to 1992 time period—prior to welfare reform. Finally, changes in household composition, disability status, and educational attainment are found to play a role in throwing people into poverty and helping them exit from poverty in both time periods. Conclusions. There is no single path into or out of poverty, suggesting that multiple policies can be considered to help alleviate poverty. 相似文献
88.
89.
Prof. Dr. Margarete Boos Dr. Martin Riethmüller Dr. Caroline Cornelius 《Gruppendynamik und Organisationsberatung》2013,44(4):445-460
This study examines gender specific differences in chat groups. It is assumed that men participate more in communication than women, that women will be perceived as less influential and will use different communication mechanisms to exert social influence. In addition, the effects of a coherence training for women will be evaluated. A 2 × 2 experimental design (topic, training) with gender as quasi-experimental variable was used to investigate 99 students in 33 triads discussing a career-choice dilemma via chat. Statistical analyses show that men participated more in the discussion and women were perceived as less influential independently from topic and training. Trained women communicated more coherently compared to untrained women. Analysis of communication mechanisms show that women differed from men in ways how to exert social influence. Practical implications as well as methodical limitations are discussed. 相似文献
90.