Now showing items 1-6 of 6

    • A checklist for testing measurement invariance 

      Rens Van de Schoot; Peter Lugtig; Joop Hox (Taylor & Francis, 2012)
      The analysis of measurement invariance of latent constructs is important in research across groups, or across time. By establishing whether factor loadings, intercepts and residual variances are equivalent in a factor model ...
    • A mathematics vocabulary questionnaire for use in the intermediate phase 

      Van der Walt, Marthie; Maree, Kobus; Ellis, Suria (Education Association of South Africa (EASA), 2008)
      Teachers and psychologists need an instrument to assess learners’ language proficiency in mathematics to enable them to plan and evaluate interventions and to facilitate best practice in mathematics classrooms. We describe ...
    • The meaning and uses of language test scores: an argument-based approach to validation 

      Van der Walt, Johann L. (SAALT/SAVTO, 2012)
      In this article, I discuss how the quality of language tests can be determined by means of a validation process. In the past, the quality of language tests was often determined by examining their reliability, content ...
    • Measuring employee engagement of South African managers 

      Imandin, Lailah; Bisschoff, Christo A.; Botha, Christoff J. (Kamla Raj Enterprises, 2015)
      This paper reports the level of employee engagement exhibited by managers in South Africa. The model employed to measure employee engagement was validated as a measuring tool, and consequently the selection thereof as a ...
    • Validating a theoretical model to measure the business success of Microinsurance (MI) in South Africa 

      Chummun, Zaheenah B.; Bisschoff, Christo A. (Kamla Raj Enterprises, 2015)
      The objective of the present study was to validate a theoretical model to measure business success of Microinsurance in South Africa. The empirical process of validation is based on literature research. The model was tested ...
    • Validation of the Orientation to Life Questionnair (OLQ) in a chemical factory 

      Rothmann, Sebastiaan; Van Schalkwyk, Lourens (University of Johannesburg, Department of Industrial Psychology and People Management, 2008)
      The objectives of this study were to assess the psychometric properties of the Orientation to Life Questionnaire (OLQ) and to investigate the differences in sense of coherence among demographic groups in a chemical factory ...