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321.
In this article, we propose a revised definition of social capital, premised on the principles of evolutionary psychology. We define social capital as any feature of a social relationship that, directly or indirectly, confers reproductive benefits to a participant in that relationship. This definition grounds the construct of social capital in human nature by providing a basis for inferring the underlying motivations that humans may have in common, rather than leaving the matter of what humans use capital for unspoken. Discussions and empirical reviews are presented on the innateness of human sociability, sex differences in sociability, and psychological mechanisms that mediate sociability .  相似文献   
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323.
In this paper, Pettigrew, Ferlie and McKee's concepts of receptive and non receptive contexts for change are examined using data from an evaluation study of a general medical practice implementing a Personal Medical Services Pilot between 1998 and 2001. Four questions concerning the applicability, associatedness, temporality and dynamism of the eight factors Pettigrew et al. identified as constitutive of receptivity are used in the analysis, which extends the original model through an operationalization yielding 21 ‘focal questions’. Although the process of change at the fieldwork site was stalled, the receptivity model is shown to have been a useful tool in identifying the factors blocking change. The analysis shows that when the eight factors are conceptualized in terms of the strength, direction and continuity of their influence, the receptivity metaphor provides a distinctive tool for the analysis of change. The paper concludes that further refinement of the model could provide a basis for the derivation of change management typologies.  相似文献   
324.
Alliances between smaller biotechnology firms and larger pharmaceutical firms are the backbone of new product development strategies within the pharmaceutical industry. While pharmaceutical firms seek access to new technologies and products, small biotechnology firms depend on these alliance relationships to access key resources such as financing and downstream capabilities because they typically do not have the resources needed in-house to successfully commercialize their products. In this study, we investigate the governance structure of these alliance relationships arguing that the more resource rich a biotechnology firm is, in terms of technical, commercial, and social capital, the less likely it is to give up equity to an alliance partner. Results suggest that greater biotech patent quality, cash position, and alliance credibility impact the type of governance structure that is chosen by the alliance partners and therefore the extent of control that the biotechnology firm is willing to give up in the relationship.  相似文献   
325.
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   
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Abstract This article challenges the notion that Afrikaner nationalism was underpinned by Afrikaner Unity. Focusing on the University town of Stellenbosch between 1934 and 1939 it explores the extreme fluidity of Afrikaner nationalist politics during this period, demonstrating the multiplicity of identities, and conflicting and co-existing ideologies, which these politics comprised. The contested nature of Afrikaner nationalism in the period after the formation of Malan's “Purified” National Party in 1934 is illuminated through an examination of the debates within the Stellenbosch constituency over the true nature of the Afrikaner. Contestations over Afrikaans Kultuur (culture) were a key element of politics in Stellenbosch during this period, as Nationalist politicians and their supporters sought to “reclaim” control over “their” cultural icons.  相似文献   
328.
This paper presents a developmental framework for assessing family function. It integrates family systems theory and ego psychological knowledge of growth. The framework organizes family information along four developmental lines, and a socio-biological stressor scale. Although this paper is only a beginning conceptualization and outline, it is hoped that with further study it can lead to family diagnosis and more definitive family treatment.  相似文献   
329.
This article reports a study on consumer attitudes to 21 food and nonfood technologies in Canada. The study involves repertory grid interviews with 36 food consumers, the data from which are analyzed using generalized Procrustes analysis. Results highlight the role of perceived risk and perceived benefit in determining the acceptability of the technologies, with individual technologies lying along a continuum between the two. For technology as a whole and the 21 specific technologies, the perceived risk and perceived benefit constructs were the dominant determinants of consumer acceptability. While perceptions of perceived risk and perceived benefit differed between individual respondents, there were very limited consistent relations with a range of sociodemographic variables.  相似文献   
330.
Learning difficulties in preterm infants are thought to reflect impairment in arousal regulation. We examined relationships among gestational age, learning speed, and behavioral and physiological reactivity in 55 preterm and 49 full‐term infants during baseline, contingency, and nonreinforcement phases of a conjugate mobile paradigm at 3 months corrected age. For all infants, negative affect, looking duration, and heart rate levels increased during contingency and nonreinforcement phases, whereas respiratory sinus arrhythmia (RSA, an index of parasympathetic activity) decreased and Cortisol did not change. Learners showed greater RSA suppression and less negative affect than nonleamers. This pattern was particularly evident in the preterm group. Overall, preterm infants showed less learning, spent less time looking at the mobile, and had lower Cortisol levels than full‐term infants. Preterm infants also showed greater heart rate responses to contingency and dampened heart rate responses to nonreinforcement compared to full‐term infants. Findings underscore differences in basal and reactivity measures in preterm compared to full‐term infants and suggest that the capacity to regulate parasympathetic activity during a challenge enhances learning in preterm infants.  相似文献   
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