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91.
Thomas G. Plante Laura Coscarelli Deanna Caputo Marily Oppezzo 《International journal of stress management》2000,7(3):181-192
This study sought to evaluate the association between perceived physical fitness, actual fitness measured by VO2max, daily physical activity measured by an ambulatory activity monitor, and coping with daily stress. One hundred and thirty participants completed a series of questionnaires measuring perceived fitness as well as daily stress and coping levels each day for one week. Participants were also provided with a digital physical activity monitor (Yamax Digi-Walker SW 200) and instructed to wear it throughout the seven day assessment period. Upon completion of the week evaluation, participants then were evaluated for actual physical fitness by treadmill testing. Multiple regression and effect size analysis revealed that perceived fitness predicted daily coping better than actual fitness and daily physical activity. Coping was unrelated to age, gender,VO2max, and physical activity. Results suggest that perceived fitness may be a better predictor of coping with daily stress than actual physical fitness or physical activity. 相似文献
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93.
The challenge in understanding cognitive impairment in schizophrenia is that people with this illness have deficits in an array of domains. Here, we briefly review evidence regarding the pattern of deficits within three domains: context processing, working memory and episodic memory. We suggest that there may be a common mechanism driving deficits in these domains - an impairment in the ability to actively represent goal information in working memory to guide behavior, a function we refer to as proactive control. We suggest that such deficits in proactive control reflect impairments in dorsolateral prefrontal cortex, its interactions with other brain regions, such as parietal cortex, thalamus and striatum, and the influence of neurotransmitter systems, such as dopamine, GABA and glutamate. 相似文献
94.
In a recent American Journal of Psychiatry article, Wang and colleagues used functional MRI (fMRI) to examine cortico-striatal-thalamo-cortical circuitry in Tourette syndrome (TS), advancing the field's investigation of circuit level dysfunction in vivo in individuals with TS. Their results provide insight for interrogating neural mechanisms underlying different treatment methods. 相似文献
95.
Katherine R. Luking Deanna M. Barch 《Cognitive, affective & behavioral neuroscience》2013,13(3):437-451
Incentive processing is a critical component of a host of cognitive processes, including attention, motivation, and learning. Neuroimaging studies have clarified the neural systems underlying processing of primary and secondary rewards in adults. However, current reward paradigms have hindered comparisons across these reward types as well as between age groups. To address methodological issues regarding the timing of incentive delivery (during scan vs. postscan) and the age-appropriateness of the incentive type, we utilized fMRI and a modified version of a card-guessing game (CGG), in which candy pieces delivered postscan served as the reinforcer, to investigate neural responses to incentives. Healthy young adults 22–26 years of age won and lost large and small amounts of candy on the basis of their ability to guess the number on a mystery card. BOLD activity was compared following candy gain (large/small), loss (large/small), and neutral feedback. During candy gains, adults recruited regions typically involved in response to monetary and other rewards, such as the caudate, putamen, and orbitofrontal cortex. During losses, they displayed greater deactivation in the hippocampus than in response to neutral and gain feedback. Additionally, individual-difference analyses suggested a negative relationship between reward sensitivity (assessed by the Behavioral Inhibition/Behavioral Activation Scales) and the difference between high- and low-magnitude losses in the caudate and lateral orbitofrontal cortex. Also within the striatum, greater punishment sensitivity was positively related to the difference in activity following high as compared to low gains. Overall, these results show strong overlap with those from previous monetary versions of the CGG and provide a baseline for future work with developmental populations. 相似文献
96.
In this article, four item selection methods in computerized adaptive testing are examined in terms of classification accuracy and consistency, including two popular heuristics for constraint management, the maximum priority index (MPI) method and the weighted deviation modeling method, as well as the widely known maximum Fisher information method and randomized item selection as baselines. Results suggest that the MPI method is able to meet constraints and keep test overlap rate low. Among the four methods, it is the only one that manages to produce parallel forms in terms of content coverage and, consequently, the only method to which the idea of classification consistency applies. With tests as short as 12 items, the MPI method does fairly well in classifying examinees accurately and consistently. Its performance improves with longer tests. The effects of number of decision categories and cut score locations are also examined. Recommendations are made in the Discussion section. 相似文献
97.
Samuel J. Snell Scott Tonidandel Phillip W. Braddy John W. Fleenor 《European Journal of Work and Organizational Psychology》2013,22(6):915-929
The present study uses relative weight analysis to garner support for the incremental validity of political skill over more traditional managerial skills for predicting managerial effectiveness and to help identify the underlying theoretical mechanisms driving this relationship. In addition, we explore boundary conditions, in terms of gender and organizational level, where political skill may be more or less critical. Using 199 middle- and upper-level managers enrolled in leadership development programmes and multisource data, the findings supported political skill’s incremental validity over more traditional measures of managerial skills for predicting managerial effectiveness. In addition, two of five political skill dimensions—image management and interpersonal influence—were significantly important predictors of managerial effectiveness, providing support for social influence theory as perhaps the best theoretical model for understanding the political skill-effectiveness relationship. Also, an individual’s gender and level in the organizational hierarchy had significant moderating effects on the relationship between three political skill dimensions and managerial effectiveness. 相似文献
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99.
Donohue Meghan Rose Yin Jenny Quiñones-Camacho Laura Hennefield Laura Tillman Rebecca Gilbert Kirsten Whalen Diana Barch Deanna M. Luby Joan 《Journal of abnormal child psychology》2022,50(9):1233-1246
Research on Child and Adolescent Psychopathology - A randomized controlled trial (RCT) demonstrated that a novel psychotherapy, Parent–Child Interaction Therapy—Emotion Development... 相似文献
100.
M. Travis Maynard Deanna M. Kennedy S. Amy Sommer 《European Journal of Work and Organizational Psychology》2015,24(5):652-677
Organizations increasingly operate within dynamic environments that require them to adapt. To respond quickly and effectively to acute or on-going change, many organizations use teams to help them remain competitive. Accordingly, the topic of team adaptation has become more prominent within the broader organizational team literature. Given the wealth of knowledge that has been accumulated, we consider what has been learned to date. However, even with the increased attention to team adaptation within the literature, not all teams are created equal in terms of their capacity for adaptability. Thus, we review factors that serve as antecedents of team adaptation, the process of adaptation, and the resulting adaptive outcomes. Finally, we suggest future directions for research and practice as we introduce a conceptual framework, whereby the focus of a team’s adaptation process is impacted by the type and severity of the disruption or trigger that gives rise to the need for adaptation. 相似文献