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41.
Researchers have suggested that dispositional optimism is related to both stress and stress outcomes. However, the nature of this relationship has not fully been explained. The authors contributed to a better understanding of this relationship by evaluating dispositional optimism, stress, overall life satisfaction, and job burnout in a sample of restaurant managers. Results indicated that stress and job burnout were significantly related; however, their relationship was not moderated by dispositional optimism, as would be suggested by the results of past research. The diminished personal accomplishment dimension of job burnout mediated the relationship between optimism and life satisfaction. Also, stress significantly impacted perceptions of diminished personal accomplishment and life satisfaction. 相似文献
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The present study assessed the relations between basic motor abilities in kindergarten and scholastic, social, and emotional adaptation in the transition to formal schooling. Seventy‐one five‐year‐old kindergarten children were administered a battery of standard assessments of basic motor functions. A year later, children's adjustment to school was assessed via a series of questionnaires completed by the children and their class teachers. The results indicate that in addition to the already documented association between visual–motor integration and academic achievement, other motor functions show significant predictive value to both scholastic adaptation and social and emotional adjustment to school. The results further suggest a better prediction of scholastic adaptation and level of disruptive behaviour in school when using an aggregate measure of children's ability in various motor domains than when using assessments of singular motor functions. It is concluded that good motor ability may serve as a buffer to the normative challenges presented to children in the transition to school. In contrast, poor motor ability emerges as a vulnerability factor in the transition to formal schooling. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
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Janean E. Dilworth‐Bart Ayesha Khurshid Deborah Lowe Vandell 《Infant and child development》2007,16(5):525-552
Using Ecological Systems Theory and stage sequential modelling procedures for detecting mediation, this study examined how early developmental contexts impact preschoolers' performances on a measure of sustained attention and impulse control. Data from 1273 European‐American and African‐American participants in the NICHD Study of Early Child Care were used to identify the potential mediators of the relation between early household income‐to‐need (INR) and 54‐month impulsivity and inattention. Exploratory analyses were also conducted to determine whether the relationships between early income, home environment, parenting stress, and the outcome variables differ for African‐American versus European‐American‐American children. We found modest support for the study hypothesis that 36‐month home environment quality mediated the INR/attention relationship. INR accounted for more home environment score variance and home environment accounted for more Impulsivity score variance for African‐American children. Home environments were related to inattention in the European‐American, but not African‐American, group. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
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Andrea Fleisch Marcus Sandra E. Echeverria Bart K. Holland Ana F. Abraido-Lanza Marian R. Passannante 《American journal of community psychology》2015,56(1-2):134-144
Social integration is fundamental to health and well‐being. However, few studies have explored how neighborhood contexts pattern types and levels of social integration that individuals experience. We examined how neighborhood poverty structures two dimensions of social integration: integration with neighbors and social integration more generally. Using data from the United States Third National Health and Nutrition Examination Survey, we linked study participants to percent poverty in their neighborhood of residence (N = 16,040). Social integration was assessed using a modified Social Network Index and neighborhood integration based on yearly visits with neighbors. We fit multivariate logistic regression models that accounted for the complex survey design. Living in high poverty neighborhoods was associated with lower social integration but higher visits with neighbors. Neighborhood poverty distinctly patterns social integration, demonstrating that contexts shape the extent and quality of social relationships. 相似文献
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Rachel Campbell Bart Soenens Wim Beyers Maarten Vansteenkiste 《Motivation and emotion》2018,42(5):671-681
During exam periods university students are at risk for poor sleep. To understand variability in this vulnerability for poor sleep, the role of the satisfaction of the basic psychological needs for autonomy, competence, and relatedness was examined by assessing university students (N?=?121; 78% female; Mage?=?21.69, SD?=?1.39, range 19–25) before, during, and after an exam period. Need-based and sleep-related functioning deteriorated during the exam period and then improved after the exam period. As need satisfaction decreased (i.e., from pre-exam to exam period) sleep quality, sleep quantity and daytime functioning deteriorated, while subsequent increases in need satisfaction (i.e., from exam to the post-exam period) were accompanied by improvements in sleep quality and daytime functioning. These correlated changes in need-based experiences and the sleep-related outcomes were largely accounted for by changes in stress, suggesting that stress may play an explanatory role in these associations. 相似文献
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The conditional power (CP) of the randomization test (RT) was investigated in a simulation study in which three different single-case effect size (ES) measures were used as the test statistics: the mean difference (MD), the percentage of nonoverlapping data (PND), and the nonoverlap of all pairs (NAP). Furthermore, we studied the effect of the experimental design on the RT’s CP for three different single-case designs with rapid treatment alternation: the completely randomized design (CRD), the randomized block design (RBD), and the restricted randomized alternation design (RRAD). As a third goal, we evaluated the CP of the RT for three types of simulated data: data generated from a standard normal distribution, data generated from a uniform distribution, and data generated from a first-order autoregressive Gaussian process. The results showed that the MD and NAP perform very similarly in terms of CP, whereas the PND performs substantially worse. Furthermore, the RRAD yielded marginally higher power in the RT, followed by the CRD and then the RBD. Finally, the power of the RT was almost unaffected by the type of the simulated data. On the basis of the results of the simulation study, we recommend at least 20 measurement occasions for single-case designs with a randomized treatment order that are to be evaluated with an RT using a 5% significance level. Furthermore, we do not recommend use of the PND, because of its low power in the RT. 相似文献