METHOD:Communicative and pragmatic validity were tested through the development of the questionnaire using action theory and presented in a descriptive portrayal. The Content Validity Index (CVI) was used to test content validity for each item as well as for the questionnaire as a whole.
CONCLUSION:The SMET questionnaire has very good content validity. The pervasive work with the SMET questionnaire also shows good pragmatic and communicative validity.
BACKGROUND: Scientific research has identified a lack of psychometrically well-tested methods for evaluation of the work environment in healthcare settings. The Structured Multidisciplinary work Evaluation Tool (SMET) questionnaire has been evaluated and has shown good content validity, as well as intra-rater- and test-retest reliability. There are, however, still unknowns regarding the psychometric properties. If the SMET questionnaire is to be used in practical occupational health service (OHS) work and scientific research in healthcare settings, further psychometric evaluation is needed. OBJECTIVE: The aim of this study was to gain further understanding of the psychometric properties of the SMET questionnaire when used in research and clinical OHS practice in healthcare settings. METHODS: The psychometric evaluation was conducted using classical test theory (Cronbach’s alpha, explorative factor analysis) and Rasch analysis (measurement targeting, category threshold order, person separation index) on data previously collected in development projects within the healthcare sector. RESULTS: The results support the use of the SMET questionnaire as a psychometrically well-tested method for evaluation of the work environment in healthcare settings. They support the use of the initial 1–10 scale since all 10 steps are used. The results also support the trichotomization procedure since the trichotomized scale captures the construct of the work environment with good measurement targeting and good category threshold order. CONCLUSION: The results of this study support the use of the SMET questionnaire as a psychometrically well-tested method for a broad multifactorial evaluation of the work environment in healthcare settings.
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