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911.
In testing for bivariate symmetry against arbitrary alternatives the well‐known test developed by Bowker in 1948 is shown to be a score test, and to have useful components. These components are asymptotically independent and asymptotically have the standard normal distribution. Moreover they assess particular pairs of cells for symmetry. These components can also be used in a data analytic manner to complement a test for bivariate symmetry against ordered alternatives. 相似文献
912.
Toon W. Taris Pascale M. Le Blanc Wilmar B. Schaufeli Paul J. G. Schreurs 《Work and stress》2005,19(3):238-255
Arising from interest concerning the possibility of causal relationships among the three components of the Maslach Burnout Inventory, several process models have been proposed for the development of burnout. The present paper first reviews the evidence in favour of the three most influential of these (Leiter and Maslach's model (1988); Golembiewski, Boudreau, Munzenrider, & Luo's (1996) phase model; and Lee and Ashforth's model (1993)). These three models, and our own model (which integrates of two of them, and includes feedback effects of depersonalization on emotional exhaustion) are then compared with each other using structural equation modelling, drawing on longitudinal data from two Dutch samples (total N=1185). The review revealed that none of the seven previous studies on this issue provided any convincing support for any particular causal order proposed so far. In contrast, our own study showed that high levels of exhaustion were associated with high levels of depersonalization over time across both samples. Further, higher levels of depersonalization led to higher levels of emotional exhaustion and lower levels of personal accomplishment. To our knowledge, the present research is the first to provide reliable longitudinal evidence for the conceptualization of burnout as a developmental process, although the effects are not large enough to be of practical use in the recognition of burnout. 相似文献
913.
914.
D.W. Kendrick 《Long Range Planning》1980,13(1):42-47
The success of an international financial centre depends on confidence and on occasions in the past confidence in the City of London has been undermined by the weakness of sterling, the threat of nationalization and government direction of investment of funds. Whichever government is in power, it should accept the need for international confidence and recognize the City of London for what it is, a major exporter, tax-payer and employer, which deserves as much support as any other industry. 相似文献
915.
Paul J. Hartung Erik J. Porfeli Fred W. Vondracek 《The Career development quarterly》2008,57(1):63-74
Childhood marks the dawn of vocational development, involving developmental tasks, transitions, and change. Children must acquire the rudiments of career adaptability to envision a future, make educational and vocational decisions, explore self and occupations, and problem solve. The authors situate child vocational development within human life span and life course development paradigms and career development theory. They then consider the theoretical origins of career adaptability and examine it as a critical construct for construing vocational development. Two models derived from career construction theory offer guides for research and counseling practice designed to foster development through work and other social roles. 相似文献
916.
917.
Judith Mishne D.S.W. 《Child and Adolescent Social Work Journal》1984,1(4):219-234
In contrast to the current trend in clinical settings of dispensing with the diagnostic process, the view advanced in this essay is that assessment constitutes the basis for prognosis and for planning any, and all treatment interventions. The reader is offered a spectrum of treatment modalities, specifically, psychoanalysis, individual, family, group, and hospitalization. The discussion delineates the therapeutic needs in accord with the adolescent's depth of disturbance and age (e.g., early, middle, or late adolescence). Too frequently, adolescents of all ages are viewed as a homogeneous group. Individual therapy, the intervention most suitable for the largest range of adolescents, is presented in detail.is the author of several books, includingClinical Work with Children. She maintains a parttime private practice at 225 W. 88th St. New York, NY 10024. 相似文献
918.
919.
For a class of multivariate elliptically contoured distributions the maximum-likelihood estimators of the mean vector and covariance matrix are found under certain conditions. Likelihood-ratio criteria are obtained for a class of null hypotheses. These have the same form as in the normal case. 相似文献
920.
Methods for estimating nonresponse bias are reviewed and severalmethods are tried on the 1980 GSS. The results indicate thatvarious estimating procedures are inappropriate and that eventhe more promising techniques can provide faulty estimates ofnonresponse bias. By its nature, nonresponse bias is very difficultto assess accurately and no simple, certain method exists. 相似文献