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Development and Psychometric Evaluation of the Body Temperature Management Self-Efficacy Scale (BTM-SES) for Surgical
1Faculty of Health Sciences, University of Yozgat Bozok, Yozgat, Turkey.
Purpose:
To develop a valid and reliable scale to assess student nurses' self-efficacy in body temperature management in surgical patients, the Body Temperature Management Self-Efficacy Scale (BTM-SES) was used.
Design:
An instrument development and validation study.
Methods:
The data of this methodological study were collected between November 2024 and January 2025 in two faculties providing nursing education in the Central Anatolia region of Turkey. The study had a multistage design in accordance with the Consensus-based Standards for the Selection of Health Measurement INstrument checklist. In the first stage, an item pool is created based on a literature review. In Stage 2, the pool aimed to assess content validity, and psychometric properties were evaluated through exploratory factorial analysis. Subsequently, construct validity was tested by confirmatory factor analysis, and reliability and time invariance were simultaneously tested by retest.
Findings:
A total of 390 nursing students taking surgical disease nursing courses participated in the study. The content validity index score for the scale items was 0.84. Exploratory factor analysis revealed a three-dimensional factor structure (controlling, recording, informing, evaluating, and prevention) with a cumulative variance contribution rate of 58.03%; the final scale included 21 items. Cronbach's α coefficient of the scale was 0.93. The fit indices for the classes were acceptable.
Conclusions:
BTM-SES is a 21-item valid and reliable assessment tool to measure student nurses' self-efficacy in body temperature management in surgical patients. BTM-SES can be used in clinical and educational research.
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