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91.
Resumen

Las tareas de grupo han sido una temática de amplio interés en décadas pasadas, proponiéndose diferentes modelos que han abordado sus posibles tipos así como sus dimensiones nucleares. En este artículo se propone un modelo de las tareas de grupo (el MITAG o modelo de incertidumbre de las tareas del grupo) que sintetiza e integra las principales dimensiones propuestas por modelos anteriores. Se presenta una escala que permite su evaluación así como una primera validación del modelo en una muestra de 164 personas pertenecientes a 34 grupos de 3 organizaciones. El análisis factorial revela una estructura de cuatro factores (con el 45% de la varianza explicada), con dos factores nucleares que explican el 36,9% de la varianza (claridad de objetivos y de procedimientos y requerimientos múltiples) y otros dos factores menores (elección entre múltiples formas/familiaridad y conflicto de demandas).  相似文献   
92.
Researchers have debated the extent to which females pursue violence against their male partners for purposes of enforcing or resisting control. In an effort to shed light on this important topic, we examined 43 incident reports of women who were court-referred to a batterer intervention program to explore how and why they engaged in intimate partner violence. Our analysis of the reports revealed that the most common tactic of physical violence was pushing and the most common tactic of psychological violence was intimidation. The motive to enforce was observed in the majority of the incident reports, while attempts to resist, retaliate, and punish occurred in about one third of the reports. We also found that female violence typically occurred in the contexts of anger and fear. The implications of our research for violence intervention programs are discussed.  相似文献   
93.

Research on the antecedents of teen parenthood has most often focused on the family of origin as the primary locus for understanding parenthood risk; however, several theoretical perspectives promote the inclusion of multiple domains of adolescents’ lives for understanding behavior. Using data from a British cohort who grew up during the 1970s (the National Child Development Study), this study considers the degree to which family characteristics from the teenage years mediate and are mediated by physical development, psychosocial characteristics, academic performance and attitudes, and future plans. Multidimensional risk factors show little variation by gender; however, risk factors differ according to the marital status of the teen when she or he became a parent.  相似文献   
94.
A representative sample of undergraduate and postgraduate international students at a large Australian university (n = 979, 64% females) completed a mail-back survey examining their perceptions of social connectedness. Four aspects of social connectedness were investigated: (1) connectedness in Melbourne, (2) social mixing and interaction with co-culturals and Australians, (3) involvement in organisations, associations and groups, and (4) connections to home and family. The majority of students report being well-connected to others in Melbourne, although some desire increased personal support from people who know and care about them. Connectedness in Melbourne is related to students’ cultural background and communication skills in the new culture and their evaluation of their perceived academic progress. Students from Asian countries reveal different patterns to other students, especially in the relationships between connectedness and interactions with co-culturals. Awareness of these and other differences among international students from varying cultural backgrounds can help target assistance in achieving a sense of well-being.  相似文献   
95.
It is estimated that approximately 1,000,000 elderly men care for spouses with Alzheimer's disease or other forms of cognitive impairment, yet we have only a limited understanding of their work, and central questions arise. What do men caregivers do, and what meanings do they ascribe to their work? What are their distinctive strengths and vulnerabilities, and what can we learn about men and caregiving from their stories? This qualitative study was based on in-depth, open-ended interviews with 14 elderly men who are primary caregivers to wives with dementia. All interviews were taped, transcribed, and manually coded. The resulting information then underwent analysis from which three major themes emerged: feelings of isolation and invisibility of their care work, a style of caregiving that jointly utilizes management and nurturing, and feelings of commitment, responsibility, and devotion.  相似文献   
96.
97.
This essay integrates approaches from three literatures to develop a model of leader development. Kanfer and Ackerman's (1989) episodic model of skill acquisition is combined with Kegan's approach to adult development to encompass development of transactional and transformational leadership. Importantly, feedback mechanisms are added to explain changes in individuals'intellectual capacities, values, and beliefs over time. This framework provides a summary of what is known about the processes underlying developmental change in how leaders understand and act on their environment and provides specific directions for future research.  相似文献   
98.
The body of research that has attempted to identify and characterize the “ecologically concerned” or “socially responsible” consumer is challenged for its assumption that this is a single group sharing a general disposition to conserve. Based on a comparison of gasoline and home heating energy conservers from a single sample, evidence is provided that these are two unique groups and that those who are conservers in both areas form a third unique group that is closer to the original notion of a generalized conservation ethic. Implications are discussed for future research focusing on energy conservation and social responsibility.  相似文献   
99.
A 1024 CPU parallel computer is used to obtain simulated genotypes in the Tristan da Cunha pedigree using random local updating methods. A four-colour theorem is invoked to justify simultaneous updating. Multiple copies of the program are run simultaneously. These results are used to infer the source of the B allele of the ABO blood group that is present in the population.  相似文献   
100.
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