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Recruitment and retention of public child welfare workforce is in crisis due to turnover caused by 1) dissatisfaction with job; 2) excessive stress and burnout, including vicarious trauma; and 3) a lack of support from supervisors and organizations. No instrument was found to evaluate the impact of supervisory support and the use of organizational and professional strategies. The Supervisory and Organizational Support (SOS) survey instrument was created in response to the need for reliable and valid instruments to measure issues related to child welfare workforce turnover. The purpose of this study was to investigate the psychometric properties of the SOS survey instrument and was designed to address the following research questions: 1) Does the instrument have demonstrated content validity? 2) Does the instrument have demonstrated construct validity as developed through factor analysis techniques? 3) Does the instrument have demonstrated reliability? 4) To what extent do the instrument and its' subscales correlate with measures of theoretically related and unrelated variables? The results of this study with a sample of 387 employees in 18 Virginia Department of Social Services agencies provide good beginning evidence of content, construct, convergent, and discriminant validity, and reliability of the SOS survey instrument. As such, the SOS survey can be used in studies of social services workforce turnover/ retention. However, to increase confidence in this recommendation, further research should address the implications and limitations of the current study and provide replication of the results with a different sample using confirmatory factor analysis. Finally, the SOS survey instrument may serve to assist in the evaluation of practice and policy efforts aimed at increasing worker retention. / Ph. D.

This research investigated the psychometric characteristics of self-actualisation, locus of control, sense of coherence and emotional intelligence as constructs of psychological wellness. Details of the intercorrelatedness of the various constructs will assist in understanding the nature of psychological wellness and its measurement. In the literature review a definition for psychological wellness was determined by studying various definitions and models of psychological wellness. During this investigation it was determined that the four constructs mentioned above were related to psychological wellness. An explorative factor analysis was conducted to address the empirical research questions. Three factors (psychological adjustment, self-actualisation and stress management) were extracted from the analysis. The descriptive statistics were analysed in terms of management responsibility, gender and race. The findings of the explorative factor analysis supported the theoretical definition of psychological wellness. It was found that self-actualisation played a key role in psychological wellness. Meaningfulness, although indicating a low loading on all three factors, must be present to provide meaning to day to day functioning. / Industrial and Organisational Psychology / MCOM (Industrial and Organisational Psychology)

Over the past two decades there has been an upsurge in interest in structural equation modelling (SEM). Applications abound in the social sciences and econometrics, but the use of this multivariate technique is not so common in public health research. This dissertation discusses the methodology, the criticisms and practical problems of SEM. We examine actual applications of SEM in public health research. Comparisons are made between multiple regression and SEM and between factor analysis and SEM. A complex model investigating the utilization of antenatal care services (ANC) by migrant women in Belgium is analysed using SEM. The dissertation concludes with a discussion of the results found and on the use of SEM in public health research. Structural equation modelling is recommended as a tool for public health researchers with a warning against using the technique too casually. / Mathematical Sciences / M. Sc. (Statistics)

Le sujet de la présente étude est la violence scolaire, phénomène complexe et polysémique qui préoccupe légitimement le monde de l’éducation depuis plus de trente ans. À partir des analyses factorielles exploratoires, analyses de variance factorielle et finalement analyses multivariées de covariance, cette recherche vise plus précisément à dégager la relation entre le climat scolaire, le contexte scolaire et les différents rôles adoptés par les élèves du niveau secondaire lors d’une situation de violence scolaire. Les données de la présente étude ont été collectées par Michel Janosz et son équipe pendant l’année 2010, dans quatre établissements éducatifs provenant d’une commission scolaire de la grande région de Montréal. L’échantillon de départ est composé de 1750 élèves qui fréquentent des classes ordinaires et spéciales du premier et deuxième cycle du secondaire âgés entre 10 et 18 ans. Pour fins d’analyse, deux petites écoles ainsi que les classes spéciales ont été retirées. Il demeure donc 1551 élèves dans l’échantillon initial analysé. Les résultats des analyses permettent de constater d’une part, la relation significative existante entre les dimensions du climat scolaire et l’adoption des différents rôles lors d’une situation de violence scolaire, les climats d’appartenance et de sécurité étant les plus importants, et d’autre part d’observer des différences dans les perceptions que les élèves ont de la violence scolaire selon le niveau et selon l’école. / The present study pertains to a complex and polysemic phenomenon that has preoccupied people working in the field of education since at least thirty years, that is, school violence. Using factor analysis, analysis of variance and multivariate analysis of covariance, this research aims at exploring specifically the relationship between school climate, school context and the various roles adopted by students at the high school level when they face a situation in which school violence in present. Data for this study were collected by Michel Janosz and his team in 2010, within four schools, all in the same school board of the Montreal region. The original sample comprises 1750 students who attend both standard special classes, between 10 and 18 years of age. The analyses presented are based on a reduced sample where the special classes and the two small schools have been withdrawn. Therefore, the answers from 1551 student s are used. The results show that first, there is a significant relationship between the various dimensions of school climate and the different roles adopted by students facing a situation in which violence is present, perceptions of belonging and of security being the most important. Second, all things being equal, there are significant difference between schools, and school levels.