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811.
Knowledge about the distribution of information and group decision making: When and why does it work? 总被引:2,自引:0,他引:2
Wendy P. van Ginkel Daan van Knippenberg 《Organizational behavior and human decision processes》2009,108(2):218-229
Research has shown that decision-making groups with distributed information perform better when group members know which member is knowledgeable about what. Thus far research has been unable to identify the process responsible for this effect. In the present study, we propose that group members’ task representations mediate the effect of knowledge about the distribution of information on decision performance. Building on this proposition, we also propose that reflection about the task moderates the effect of knowledge about distributed information through its effect on task representations. These hypotheses were put to the test in an experimental study of decision-making groups (N = 125). As predicted, knowledge of distributed information interacted with reflection to affect decision quality. Findings confirmed the proposed mediating role of task representations and information elaboration. 相似文献
812.
Wendy Johnson Eric Turkheimer Irving I. Gottesman Thomas J. Bouchard Jr. 《Current directions in psychological science》2009,18(4):217-220
ABSTRACT— The heritability of human behavioral traits is now well established, due in large measure to classical twin studies. We see little need for further studies of the heritability of individual traits in behavioral science, but the twin study is far from having outlived its usefulness. The existence of pervasive familial influences on behavior means that selection bias is always a concern in any study of the causal effects of environmental circumstances. Twin samples continue to provide new opportunities to identify causal effects with appropriate genetic and shared environmental controls. We discuss environmental studies of discordant twin pairs and twin studies of genetic and environmental transactions in this context. 相似文献
813.
Consumers sometimes act like creatures of habit, automatically repeating past behavior with little regard to current goals and valued outcomes. To explain this phenomenon, we show that habits are a specific form of automaticity in which responses are directly cued by the contexts (e.g., locations, preceding actions) that consistently covaried with past performance. Habits are prepotent responses that are quick to activate in memory over alternatives and that have a slow-to-modify memory trace. In daily life, the tendency to act on habits is compounded by everyday demands, including time pressures, distraction, and self-control depletion. However, habits are not immune to deliberative processes. Habits are learned largely as people pursue goals in daily life, and habits are broken through the strategic deployment of effortful self-control. Also, habits influence the post hoc inferences that people make about their behavior. 相似文献
814.
Karen E. Wain Wendy R. Uhlmann Judith Heidebrink J. Scott Roberts 《Journal of genetic counseling》2009,18(3):239-251
Early-onset Alzheimer’s disease (EOAD) is an increasingly diagnosed condition and is associated with genetic risk factors.
This is one of the first studies exploring the lived experience of siblings of individuals with EOAD. We used structured questionnaires
and semi-structured interviews to assess a broad range of siblings’ experiences with and beliefs about EOAD, including knowledge,
perceptions of personal risk, level of worry, and effects on life decisions. Participants (n = 24) were predominantly female (62.5%) and middle-aged (mean = 56.8 years; range 37–83). When asked about risk factors,
genetics was cited most frequently (62.5%). Several potential means of reducing AD risk were endorsed, with 54% reporting
engagement in behaviors for this purpose (e.g., keeping mentally active). Participants ranged widely in their perceived personal
risk of AD (range: 0–100; mean = 35.6%), with higher perceived risk associated with worry about AD (p < 0.01). Understanding siblings’ experiences with EOAD can inform how genetic counselors and healthcare professionals work
with this population to facilitate risk communication and decision-making about testing and healthcare. 相似文献
815.
816.
Do you look to the future or focus on today? The impact of life experience on intertemporal decisions 总被引:1,自引:0,他引:1
In this research, we investigate the impact of significant life experiences on intertemporal decisions among young adults. A series of experiments focus specifically on the impact of experiencing the death of a close other by cancer. We show that such an experience, which bears information about time, is associated with making decisions that favor the long-term future over short-term interests (Studies 1 and 2). Underlying this effect appears to be increased salience and concreteness regarding one’s future life course, shifting focus away from the present toward the long run (Studies 3 and 4). Finally, we explore the shift caused by a cancer death of a public figure and examine its stability over time (Study 5). Implications for research on intertemporal decision making and the impact of life events on perceptions and preferences are discussed. 相似文献
817.
Elizabeth M. Vera Wendy Conner 《Journal of multicultural counseling and development》2007,35(4):230-242
Latina mothers' perceptions of mental health and factors that promote/restore mental health were explored in this qualitative study. Participants discussed the importance of community, safety, and financial stability in addition to conventional factors that are related to mental health. Implications for working with urban Latinas and their families are discussed. En este estudio cualitativo se exploraron las percepciones de las madres Latinas sobre Salud Mental y los factores que la fomentan/restablecen. Las participantes discutieron acerca de la importancia de la comunidad, la seguridad y la estabilidad financiera además de otros factores convencionales relacionados con la salud mental. Se discuten las implicaciones para el trabajo con Latinas residentes en núcleos urbanos y sus familias. 相似文献
818.
A behavior genetic investigation of adolescent motherhood and offspring mental health problems 总被引:2,自引:0,他引:2
Harden KP Lynch SK Turkheimer E Emery RE D'Onofrio BM Slutske WS Waldron MD Statham DJ Martin NG 《Journal of abnormal psychology》2007,116(4):667-683
The present study examines the relations between adolescent motherhood and children's behavior, substance use, and internalizing problems in a sample of 1,368 children of 712 female twins from Australia. Adolescent motherhood remained significantly associated with all mental health problems, even when using a quasiexperimental design capable of controlling for genetic and environmental confounds. However, the relation between adolescent motherhood and offspring behavior problems and substance use was partially confounded by family background variables that influence both generations. The results are consistent with a causal relation between adolescent motherhood and offspring mental health problems, and they highlight the usefulness of behavior genetic designs when examining putative environmental risks for the development of psychopathology. The generalizability of these results to the United States, which has a higher adolescent birth rate, is discussed. 相似文献
819.
This study examined the effects of situational pressure and maternal characteristics (social contingent self-worth, controlling parenting attitudes) on mothers' autonomy support versus control in the social domain. Sixty 4th-grade children and their mothers worked on a laboratory task in preparation for meeting new children, with mothers in either an evaluation (mothers told their child would be evaluated by other children) or no-evaluation (no mention of evaluation) condition. Mothers in the evaluation condition spent more time giving answers to their children. Mothers with controlling parenting attitudes exhibited more controlling behavior. Further, mothers with high social contingent self-worth in the evaluation condition were most controlling. Results suggest the importance of interactions between situations and maternal characteristics in determining levels of mothers' autonomy support versus control and have implications for helping parents support children's autonomy. 相似文献
820.
Children's engagement and competence in personal recollection: effects of parents' reminiscing goals 总被引:1,自引:0,他引:1
Parents' goal orientations in parent-child reminiscing were examined in this study, where 28 preschoolers (mean age = 46 months) experienced a standardized event. Dyads discussed the event that evening, with parents randomly assigned to either an "outcome-oriented" or a "process-oriented" condition. Outcome-oriented parents, who were told that children subsequently would be tested on event-related recall, were more controlling in these conversations compared with process-oriented parents, who were told that children's personal perspective would be assessed. Parents did not differ in their provision of structure. Children were interviewed 2 weeks later. Autonomy support in the parent-child conversation predicted children's engagement in the interview. Parental structure predicted children's recall of details and the coherence of their memories. Effects of parental reminiscing styles for children's memory and motivation to reminisce are discussed. 相似文献