diagnosis

Development and Psychometric Testing of a Breast Cancer Survivor Self-Efficacy Scale

PURPOSE/OBJECTIVES: To describe the development of a self-efficacy instrument that measures perceived ability to manage symptoms and quality-of-life problems resulting from the diagnosis and treatment of breast cancer.

DESIGN: Items were developed and content validity assessed. A 14-item scale was psychometrically evaluated using internal consistency reliability and several types of construct validity.

SAMPLE: 1,127 female breast cancer survivors (BCSs).

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