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Evaluating the performance of simulated patients: development and validation of the Lisbon Assessment of Simulated Patients (LASP) scale
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Background: Effective communication between doctors and patients is crucial for positivehealth outcomes and patient satisfaction. In medical education, simulated patients (SPs) playa pivotal role in developing these skills. The quality of SPs’ performances and the feedbackthey provide significantly influence the learning process. However, current assessment toolstend to be too lengthy, overlapping or focused solely on either role-play or feedback, failingto differentiate their individual impacts. This study aimed to develop and validate a concise,reliable instrument to assess the performance of SPs in both domains separately.Methods: The Lisbon Assessment of Simulated Patients (LASP) scale was developed withexpert input to ensure content validity. Data were gathered through 629 questionnairescompleted by 180 medical students and 15 tutors, who assessed 25 SPs. To determine thefactor structure and model fit, exploratory and confirmatory factor analyses were conductedon split subsamples. Internal consistency was assessed using Cronbach’s alpha andMcDonald’s omega. Additionally, descriptive statistics and item-domain correlations wereanalysed.Results: Factor analyses revealed a two-factor structure consisting of Role Play (4 items) andFeedback (6 items), which together accounted for 54% of the variance. The fit indices indi-cated an excellent model fit, with a CFI of 0.991, TLI of 0.988, and RMSEA of 0.020. The itemsdemonstrated strong correlations with their respective domains, and the scale displayedgood internal consistency, with a Cronbach’s alpha of 0.82 overall, 0.72 for the Role Playdomain, and 0.79 for the Feedback domain.Discussion: The LASP scale is a practical and psychometrically robust tool designed toassess the performance of simulated patients. It evaluates both role-play and the quality offeedback, allowing for targeted improvements in simulated encounters and enhancing theeffectiveness of communication training. This concise and validated instrument supportsongoing quality assurance and faculty development in medical simulation programs.
Descrição
Palavras-chave
Simulated patients Medical education research Communication skills Role-play assessment Feedback quality
Contexto Educativo
Citação
Editora
Taylor and Francis Ltd.