Objective: To design, develop and psychometrically evaluate a stroke specific measure of confidence, the Confidence after Stroke Measure (CaSM)
Setting: Adults in the community
Participants: Stroke survivors and healthy elderly participants
Methods: Questionnaire items were generated based on the literature and qualitative interviews and piloted with expert groups to establish face validity. A 53-item CaSM was administered to stroke survivors and healthy elderly participants in the community. A second copy was posted four weeks later. Completed questionnaires were analysed for extreme responses, missing values, construct validity (factor analysis), convergent validity, divergent validity and reliability (internal consistency and temporal stability) and comparing responses according to age and gender.
Results: Stroke (n =101) and healthy elderly participants (n=101) returned questionnaires. Eight items were removed that had extreme responses and large numbers of missing values. Six items had Item total correlations
Horne, J., Lincoln, N., & Logan, P. (2017). Measurement of confidence: the development and psychometric evaluation of a stroke specific, measure of confidence. Clinical Rehabilitation, 31(11), 1529-1537. doi:10.1177/0269215517705424