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Echeverri Homework 4
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Multivariable logistic regression forest plots of factors associated with patient-reported adverse effects following intralesional steroid injections
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Psychometric Validation of the Vietnamese 3-item Bedtime Procrastination Scale (VN-BPS-3) among Medical Students
This report presents a comprehensive psychometric evaluation of the Vietnamese version of the 3-item Bedtime Procrastination Scale (VN-BPS-3). The analysis examines multiple aspects of measurement quality, including reliability, structural validity, and construct validity. Reliability is assessed through internal consistency metrics, specifically Cronbach’s alpha and McDonald’s omega, alongside detailed item-level diagnostics. Structural validity is evaluated using Confirmatory Factor Analysis (CFA) with the WLSMV estimator, appropriate for ordinal data. Construct validity is investigated through both convergent and known-groups approaches, including correlations with established measures such as the PHQ-9 (depressive symptoms), ISI (insomnia severity), and Social Jetlag indicators. This work was developed by Pham The Lam, Hanoi Medical University.