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721.
Davidson and Beaver (1977) extended the Bradley–Terry model to incorporate the possible effect of position within a choice set on the choices made in paired comparisons experiments. We further extend the Davidson–Beaver result to choice sets of any size and show, under a mild restriction, that designs optimal for the multinomial logit model are still optimal. Designs balanced for carry-over effects of all orders can be used to construct designs with a diagonal information matrix for attribute effects. The theoretical results are derived assuming equal merits and we discuss the possible consequences of assuming unequal merits in an example. 相似文献
722.
Laura G. E. Smith Catherine E. Amiot Victor J. Callan Deborah J. Terry Joanne R. Smith 《英国管理杂志》2012,23(1):45-64
Newcomer turnover is a major cost to organizations, and the quality of new employees' experiences in the first few months is critical in determining whether they decide to stay or leave. In a study that focused on the first stage of newcomer socialization, we investigate the impact of perceptions of social validation from the team and the team leader, and perceived fairness of treatment on newcomers' identification with their work team and the organization, specifically measuring the group self‐investment components of identification. The mediating role of these levels of group self‐investment and of the imbalance (i.e. difference) between levels of self‐investment on turnover intentions was also tested. New staff (N=569) joining a large public‐sector organization completed a questionnaire about their socialization experiences in their first 6 months of their employment. Structural equation modelling revealed that social validation by the team and team leaders, and fairness of treatment, predict increased investment with the organization and with the team. Organizational‐level self‐investment and an imbalance in favour of investment with the organization over that of the team mediated decreases in turnover intentions. We conclude that organizations should provide newcomers with validation that promotes identification with their organization during this critical stage of socialization. 相似文献
723.
Kevin Constante Michael I. Demidenko Edward D. Huntley Deborah Rivas-Drake Daniel P. Keating Adriene M. Beltz 《Journal of research on adolescence》2023,33(1):24-42
This study examined how ethnic identity relates to large-scale brain networks implicated in social interactions, social cognition, self-definition, and cognitive control. Group Iterative Multiple Model Estimation (GIMME) was used to create sparse, person-specific networks among the default mode and frontoparietal resting-state networks in a diverse sample of 104 youths aged 17–21. Links between neural density (i.e., number of connections within and between these networks) and ethnic identity exploration and resolution were evaluated in the full sample. Ethnic identity resolution was positively related to frontoparietal network density, suggesting that having clarity about one’s ethnic group membership is associated with brain network organization reflecting cognitive control. These findings help fill a critical knowledge gap about the neural underpinnings of ethnic identity. 相似文献
724.
Hayley Alderson Deborah Smart Gary Kerridge Graeme Currie Rebecca Johnson Eileen Kaner Amy Lynch Emily Munro Jacky Swan Ruth McGovern 《Child & Family Social Work》2023,28(3):869-896
Global research has shown that most young people who are care experienced are not prepared to transition to independent living at 18 years of age and require support into early adulthood. We used rigorous systematic methods to identify English-based peer reviewed and grey literature describing innovations relevant to care experienced young people as they transition into adulthood, with a focus upon lessons for their implementation and diffusion. We synthesised the evidence narratively and organise data linked to seven key areas important to the transition to adulthood: (1) Health and well-being; (2) relationships; (3) education and training; (4) employment; (5) participation in society; (6) accommodation; (7) other. Twenty-five papers met our inclusion criteria. This review has found that, whilst there are a broad spectrum of innovations taking place within the social care environment for care experienced young people to support their transition into adulthood, there exists limited insight into how best to support implementation and diffusion of evidence-based innovation. We drew upon the ‘Consolidated Framework for Implementation Research’, developed in the setting of clinical service delivery, to highlight challenges in implementing and diffusing evidence-based innovation for care experienced young people transitioning into adulthood. 相似文献
725.
ABSTRACT: This paper examines modes of child care choice for young children in urban Brazil. Analysis of child care in developing countries is rare, in spite of its relevance to many policy issues. We model child care choice as a function of characteristics of the child and the mother, including the mother's predicted wage and probability of employment, the presence of other young children and potential caregivers. The results highlight the importance of the institutional structure of the labour market and the formal child care market and reveal policy-relevant information regarding the allocation of child care responsibility among household members. 相似文献