Abstract
Background and Purpose: No instrument exists that measures oncology nurses' exercise beliefs for women with breast cancer experiencing cancer-related fatigue. This article reports on the psychometric evaluation of the Nurses' Exercise Beliefs scale. Method: There were 20 items generated for the scale from a review of the literature. An expert panel review achieved content validity of the scale. The scale was administered to 387 registered nurses and the data were analyzed. Results: The scale content validity index (S-CVI) was .85. A 2-factor solution explained 50.4% of the variance in exercise beliefs, supporting construct validity. The factors were exercise benefits beliefs (8 items, α = .94) and exercise barriers beliefs (12 items, α = .81). Conclusions: The findings support the subscales as valid and reliable tools.
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