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Measurement of confidence: the development and psychometric evaluation of a stroke specific, measure of confidence

Horne, Jane; Lincoln, Nadina; Logan, Pip

Authors

Jane Horne

Nadina Lincoln

Pip Logan



Abstract

Objective: To design, develop and psychometrically evaluate a stroke specific measure of confidence, the Confidence after Stroke Measure (CaSM)
Design: Cross-sectional
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

Journal Article Type Article
Publication Date Nov 1, 2017
Journal Clinical Rehabilitation
Print ISSN 0269-2155
Electronic ISSN 1477-0873
Publisher SAGE Publications (UK and US)
Peer Reviewed Peer Reviewed
Volume 31
Issue 11
Pages 1529-1537
APA6 Citation 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
DOI https://doi.org/10.1177/0269215517705424
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
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