Validity and Reliability Test of the Theory of Planned Behavior-Based Instruments for Measuring Patient Safety Practices in Hospitals
DOI:
https://doi.org/10.37287/picnhs.v6i2.100Keywords:
patient safety, reliability, theory of planned behaviour, validityAbstract
Patient safety and the Theory of Planned Behavior (TPB) are related. The three elements of TPB—Attitude toward the behavior, Subjective norm, and Perceived behavioral control—Are believed to influence health professionals' intentions to adopt actions that promote a patient safety culture. This study aims to test the validity and reliability of the questionnaire instrument for applying the theory of planned behavior in hospital patient safety. This research method is descriptive quantitative with a cross-sectional design. The research samples is 104, comprised of health and non-health workers at Wonosari Regional Hospital in May 2025, and was a random sampling. The instrument items tested consisted of 30 items from 3 variables; the analysis technique used was Pearson correlation and Cronbach's alpha, processed using SPSS software. The results of the study stated that the questionnaire for the attitude toward the behavior variable was valid and reliable, with a Pearson correlation value of r count (0.40 – 0.957) > r table (0.195) and a Cronbach's alpha value of 0.979. The results of the study stated that the questionnaire for the Subjective Norm variable was valid and reliable, with a Pearson correlation value of r count (0.405 – 0.924) > r table (0.0195) and a Cronbach's alpha value of 0.932. The results of the study stated that the questionnaire for the Perceived Behavioral Control variable was valid and reliable, with a Pearson correlation value of r count (0.675 – 0.910) > r table (0.0195) and a Cronbach's alpha value of 0.944. In conclusion, 30 items of the theory of planned behavior-based instruments for measuring patient safety practices in hospitals were declared valid and reliable. This instrument has potential for application in future research endeavors.
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