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21.
Analysing the 367 member replacement acts in the 2014 FIFA World Cup tournament, we uncover important dynamics between member replacement and team performance. We find that poor team performance leads to substitutions with more competence gains (or with less competence loss), that substituting and substituted members’ functional background dissimilarity improves subsequent content‐related team performance (i.e. scoring more goals), and that their competence superiority is associated with the speed of team performance turnaround (i.e. scoring goals faster). Going beyond contrasts between teams with and without membership change, the paper highlights the importance of substituting and substituted members’ relative task‐related attributes and provides a more nuanced understanding of the complex phenomenon of team membership change. Furthermore, the paper extends the methodological spectrum of dynamic team composition research from predominantly laboratory experiments with short‐lived student groups performing cognitive tasks to field studies with real‐life work teams performing action tasks.  相似文献   
22.
Cross‐sectional questionnaire surveys of school bullying reliably find that the frequency of incidents falls with age. However, it is not clear how much of this decline is due to a real change in behaviour, and how much to children’s changing definitions of what bullying is. This paper presents the results of two retrospective studies in an attempt to assess at what ages bullying is really most likely to occur. Male and female adults aged 18–55 years (n1 = 205 and n2 = 200) completed questionnaires about their memories of being bullied at school. Results showed that bullying was most frequently remembered from around 11–13 years of age, with incidents from earlier and later childhood being reported comparatively rarely. There were no differences between the reports of younger (18–21 years) and older (22–55 years) participants or between those of males and females. Bullying memories were also compared with memories for other aspects of childhood to assess the accuracy of these memories. It is concluded that the most memorable (and therefore perhaps the most severe) bullying is that which occurs in middle childhood. Aggr. Behav. 27:419–429, 2001. © 2001 Wiley‐Liss, Inc.  相似文献   
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Previous studies on autism have shown a lack of motor anticipation in children and adults with autism. As part of a programme of research into early detection of autism, we focussed on an everyday situation: spoon-feeding. We hypothesize that an anticipation deficit may be found very early on by observing whether the baby opens his or her mouth in anticipation of the spoon's approach. The study is based on a retrospective analysis from family home movies. Observation of infants later diagnosed with autism or an autism spectrum disorder (ASD) (n = 13) and infants with typical development (n = 14) between 4 and 6 months old show that the autism/ASD group has an early anticipation deficit.  相似文献   
25.
ABSTRACT

Unlike professional pilots who are limited by the FAA's age rule, no age limit is defined in general aviation. Our overall goal was to examine how age-related cognitive decline impacts piloting performance and weather-related decision-making. This study relied on three components: cognitive assessment (in particular executive functioning), pilot characteristics (age and flight experience), and flight performance. The results suggest that in comparison to chronological age, cognitive assessment is a better criterion to predict the flight performance, in particular because of the inter-individual variability of aging impact on cognitive abilities and the beneficial effect of flight experience.  相似文献   
26.
We tested the effects on problem-solving, anxiety and depression of 12-week group-based self-management cancer rehabilitation, combining comprehensive physical training (PT) and cognitive-behavioural problem-solving training (CBT), compared with PT. We expected that PT + CBT would outperform PT in improvements in problem-solving (Social Problem-Solving Inventory-Revised (SPSI-R)), anxiety and depression (Hospital Anxiety and Depression Scale (HADS)), and that more anxious and/or depressed participants would benefit most from adding CBT to PT. Cancer survivors (aged 48.8 ± 10.9 years, all cancer types, medical treatment completed) were randomly assigned to PT + CBT (n = 76) or PT (n = 71). Measurement occasions were: before and post-rehabilitation (12 weeks), 3- and 9-month follow-up. A non-randomised usual care comparison group (UCC) (n = 62) was measured at baseline and after 12 weeks. Longitudinal intention-to-treat analyses showed no differential pattern in change between PT + CBT and PT. Post-rehabilitation, participants in PT and PT + CBT reported within-group improvements in problem-solving (negative problem orientation; p < 0.01), anxiety (p < 0.001) and depression (p < 0.001), which were maintained at 3- and 9-month follow-up (p < 0.05). Compared with UCC post-rehabilitation, PT and PT + CBT only improved in anxiety (p < 0.05). CBT did not add to the effects of PT and had no extra benefits for higher distressed participants. PT was feasible and sufficient for durably reducing cancer survivors' anxiety.  相似文献   
27.
This two-wave longitudinal study among 121 entrepreneurs in The Netherlands investigated bi-directional relationships between entrepreneurs’ well-being and performance. Results of Smart PLS analyses showed positive well-being at Time 1 (work engagement; life satisfaction; and job satisfaction) predicted subjective entrepreneurial success 2 years later, both as indicated by entrepreneurs’ reports of achieved financial success (including personal income security and wealth, business turn-over, sales and profit growth), as well as perceptions of achieved personal success (personal fulfilment, community impact and employee relations). No relations were found with objective indicators of business performance (profit; turnover; and number of employees) over time. The expected recursive relationship between performance and well-being was only found in the short term; a better objective financial situation immediately preceding the second measurement moment, predicted better well-being at T2. These results are both in line with a well-being–performance (gain) cycle, and the happiness set-point thesis that predicts resilience in the face of events. This paper contributes to the literature by emphasizing the importance of entrepreneurs’ well-being as a key factor in long-term subjective financial and personal entrepreneurial success. The practical implication is that entrepreneurs should maintain and improve their own well-being to achieve positive long term business outcomes.  相似文献   
28.
A study was conducted to examine the relationship of sex-role acceptance to actual and desired fertility. Two samples of women (105 undergraduates and 40 members of a women's organization) were administered the Bem Sex-Role Inventory and a questionnaire which assessed the women's behavioral acceptance of traditional female sex roles. The behavioral measures were sex-typed college major for the undergraduates and employment status for the women's organization sample. In addition, vocational interests were measured and related to fertility for the women's organization sample. Multiple regression analyses indicated that behavioral measures of sex-role acceptance accounted for more variance in predicting desired and actual fertility than did the Bem Sex-Role Inventory.  相似文献   
29.
Detachment from work during non-work time is generally related to a decrease in work-related strain. However, it might also hamper employees’ generation of new and useful ideas about work by completely shutting off work-related thoughts and/or feelings outside of work. In this day-level study, we used a within-person design to investigate the role of cognitive and emotional detachment from work during non-work time in relation to equivalent types of job demands and job resources, in the prediction of employee creativity. Cognitive detachment from work refers to mentally disconnecting from work and no longer thinking about job-related issues, whereas emotional detachment from work refers to affectively disconnecting from work and no longer experiencing job-related emotions. Survey data were gathered over the course of eight consecutive days from 151 health care employees. Multi-level analyses revealed that: (1) cognitive detachment was positively related to creativity, irrespective of the level of cognitive job demands and resources; (2) high emotional job demands in combination with either low levels of emotional detachment or high levels of emotional job resources were positively related to creativity. This day-level study provides insight into the relation between detachment from work and creativity from a process perspective, by showing specific conditions under which different types of detachment from work benefit employee creativity.  相似文献   
30.
Many project groups have a hard time meeting their deadlines. This research addresses this issue by studying group perceptions and group self-regulatory actions that may impede or foster the timeliness of group projects. Longitudinal data were collected from 22 student project groups developing a business solution in a field assignment. Using a questionnaire, we measured perceived time pressure, group potency, planning, and reflexivity, as well as the project's progress at three points during the 13-week working period: at the start of the project, just after the orientation phase, and finally after the execution phase and the project deadline. Our findings suggest that the effect of time pressure on progress is moderated by group potency. Furthermore, there were differential effects of planning and reflexivity in the orientation phase and the execution phase. Execution planning and reflexivity did not appear to be very useful for progress in the orientation phase of the project. However, in the execution phase, both planning and reflexivity contributed to meeting the deadline.  相似文献   
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