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Bayesian item response theory models have been widely used in different research fields. They support measuring constructs and modeling relationships between constructs, while accounting for complex test situations (e.g., complex sampling designs, missing data, heterogenous population). Advantages of this flexible modeling framework together with powerful simulation-based estimation techniques are discussed. Furthermore, it is shown how the Bayes factor can be used to test relevant hypotheses in assessment using the College Basic Academic Subjects Examination (CBASE) data. 相似文献
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Previous research shows that powerful people are more likely than those lacking power to engage in infidelity. One possible explanation holds (a) that power psychologically releases people from the inhibiting effects of social norms and thus increases their appetite for counternormative forms of sexuality. Two alternative explanations are (b) that power increases appetite for any form of sexuality, normative or counternormative, and (c) that power makes men (but not women) seem more attractive to others and thus increases their access to potential mating opportunities. The current research tested these explanations using correlational data from 610 Dutch men and women. Supporting the first explanation, power's relationship with infidelity was statistically mediated by increased attraction to the secrecy associated with infidelity. Inconsistent with the second explanation, power was linked with infidelity but not with casual sex among singles (a more normative form of sexuality). Inconsistent with the third explanation, the link between power and infidelity was observed just as strongly in women as in men. Findings suggest that power may be associated with infidelity because power draws people to the counternormative aspects of infidelity. Implications for theories of power, sexuality, and gender are discussed. 相似文献
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Joris Van Damme Anne Hublet Bart De Clercq Emmanuel Kuntsche Lea Maes Els Clays 《Journal of American college health : J of ACH》2017,65(8):558-566
Objective: Drinking alcohol during the exams can affect academic performance and future career options, but is rarely investigated. Drinking motives, sociodemographics and personality characteristics are investigated in nonabstainers and weekly drinkers during the exams. Participants: 7,181 Belgian university students who anonymously responded to an email invitation to an online survey. Methods: Logistic regressions and mixed design analysis of variance on cross-sectional data. Results: One-third of the students continued drinking during the exams, with 40% drinking weekly. Nonabstainers were mainly men, elder, internally motivated when drinking, and housed with parents or independently. Weekly drinkers were similar, except mainly housed in student apartments or independently. Personality characteristics were nonsignificant. All drinking motives were less pronounced during the exams, with smaller differences for internal motives. Conclusions: Mainly linked to internal drinking motives, drinking during the exams in higher education is underestimated. The characteristics and motives of students doing so can be used in future interventions. 相似文献
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Navigating the migration industry: migrants moving through an African-European web of facilitation/control 总被引:1,自引:0,他引:1
Joris Schapendonk 《Journal of ethnic and migration studies》2018,44(4):663-679
ABSTRACTThis paper approaches the African-European migration industry as a complex web of relations in which different actors liaise, objectives oppose each other, and roles overlap. Starting from this notion, the question emerges: How do migrants navigate this fuzzy web of migration facilitation/control? To answer this question, this paper uses a ‘trajectory ethnography’ that follows the im/mobility processes of migrants from West – and Central Africa to, and inside, Europe. In so doing, it particularly focuses on two practices that are related to the concept of social navigation. First, it concerns débrouillardise, a term that points to the power of improvisation, creativity and hustling. Second, it regards social negotiation, a term referring to the process of how migrants ‘massage’ their relations with important actors in the field. The findings stress the relational dimension of the migration industry in the sense that the functioning of one actor depends so much on the intentions and efforts of others. I conclude that we could enhance our knowledge on migration industries with studies that constantly shift between the perspective of the migrant, the social network, the facilitator and controller. Such a dynamic approach unpacks further the multiple efforts that produce migrant im/mobility. 相似文献
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Networks for Welfare Provision: Getting a Grip on Processes of Social Exclusion by Evaluating Network Effectiveness 下载免费PDF全文
It has been repeatedly stated that the topic of network effectiveness has often been neglected. This has led to a situation of ‘network euphoria’ amongst practitioners and policymakers with regard to the creation of networks as a means to (re‐)organize welfare provision. Starting from a case study of networks for welfare provision in two Belgian cities, this article focuses on the effectiveness of service delivering networks at the client level, which is understood as the contribution of the network in improving the conditions of life of those being served or targeted by the network. Therefore, we focused on the collective efforts via these networks (e.g. by creating a night shelter or by conducting case consultations) to look after a population of homeless people who face multiple problems and are not able yet to benefit from welfare provision. Our findings revealed that these networks were able to realize a ‘collaborative advantage’ by filling in service gaps and by overcoming fragmentation of care. Nevertheless, these networks equally maintained criteria that restricted the accessibility or usefulness of welfare services provided to homeless people. In the concluding section, we highlight some of the factors that could help us to explain our findings and highlight the tension between the effectiveness of networks at the client level and the effectiveness at the organizational level. 相似文献
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Cray Mulder 《Journal of social service research》2013,39(5):414-428
ABSTRACT This qualitative study used in-depth interviews to better understand the social service experiences and identified needs of 26 demographically diverse adolescent mothers and their mothers, who resided together in three-generational households. Most dyads accessed community services, particularly parenting and emotional supports, financial and material assistance, and medical care, and desired short-term assistance related to their circumstances and newly expanded families, rather than long-term support. The most commonly identified barrier to service utilization involved income eligibility guidelines. In light of welfare reform policies and the current economic climate, this research underscores the need for transitional supports for families, including assistance with basic needs. In terms of implications for social work practice and future research, adolescent mothers may need formal supports as they pursue independence after they leave their mothers’ care. Future research could further explore, within other communities and longitudinally, whether these preliminary trends hold true. 相似文献
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This study examines whether Big Five personality traits affect the extent to which a socially anxious child will be victimized. A total of 1814 children participated in the study (mean age = 11.99 years). Children completed self‐reports and peer reports of victimization, which were aggregated, and self‐reports of social anxiety and Big Five personality traits. A regression analysis was performed to study the moderating effect of personality traits on the relation between social anxiety and victimization. Socially anxious children scoring high on extraversion are less at risk for victimization than socially anxious children scoring low on extraversion. In addition, socially anxious boys scoring high on agreeableness were less at risk for victimization than socially anxious boys scoring low on agreeableness. Conscientiousness, neuroticism, and openness to experience did not moderate the relation between social anxiety and victimization. 相似文献
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There is an extensive private sector literature on organizational change management. However, recent studies have suggested that the specific context of public organizations may have consequences for the management organizational change. This study examines to what extent different change approaches and transformational leadership of direct supervisors contribute to the effective implementation of organizational change in public organizations, and to what extent the bureaucratic structure of public organizations makes the implementation of organizational change s3pecific. The implementation of an organizational change in a Dutch public organization is studied using quantitative methods and techniques. The results indicate that bureaucratic organizations may effectively implement organizational change with both planned and emergent change approaches. The contribution of transformational leadership depends on the type of change approach and organizational structure. Transformational leadership behavior of direct supervisors contributes little to planned processes of change, but is crucial in emergent processes of change in a non-bureaucratic context. Although the literature on change management mostly emphasizes the leadership of senior managers, the leadership role of direct supervisors should not be overlooked during organizational change in public organizations. 相似文献