Development and testing of the shared decision-making attitudes scale among nurses in Taiwan: a cross-sectional scale development study
Abstract
Objective Shared decision-making (SDM) enhances medical care, but an appropriate tool for evaluating nursing staff’s attitudes towards SDM in clinical practice is lacking. The objective of this study is to develop the Nursing Shared Decision-Making Attitude (NSDMA) scale and verify its psychometric properties. Design Instrument design study. Participants A sample of 451 nursing staff. Intervention This study comprised two phases. In phase 1, qualitative research and expert content validity were adopted to develop the first draft of the scale. In phase 2, Taiwanese nursing staff were recruited through convenience sampling, and the sample was divided into a calibration sample and a validation sample. An objective structured clinical examination of SDM attitudes was administered to 100 nursing staff to determine the scale’s cut-off score. Main outcome measurements Exploratory factor analysis and confirmatory factor analysis were used to obtain the underlying factors of the NSDMA scale; McDonald’s omega value was used to determine the reliability; known-group validity was used to test the construct validity; and the receiver operating characteristic curve was adopted to determine the scale’s cut-off score. Results In total, two factors were identified from the instrument results, which were termed ‘empathic communication’ and ‘mastery learning’. The McDonald’s omega value of the overall scale was 0.92. Known-group validity testing was performed based on the staff’s participation…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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