Team Objective Structured Bedside Assessment (TOSBA) in Paediatric Undergraduate Students | [Journal of the College of Physicians and Surgeons Pakistan • 2025]

Author(s):

1. Heena Rais: Department of Paediatrics, Ziauddin Medical University Hospital,Karachi,Pakistan

2. Azam Saeed Afzal: Department of Community Health Sciences, The Aga Khan University, Karachi, Pakistan

3. Amber Shamim Sultan: Department for Educational Development and Department of Surgery, The Aga Khan University, Karachi, Pakistan

4. Farhana Zafar: Department of Paediatrics, Ziauddin Medical University Hospital,Karachi,Pakistan

Abstract:

To develop a team objective structured bedside assessment (TOSBA) tool for assessing the paediatric undergraduate students clinical skills at the bedside. Study Design: A validation, cross-sectional study. Place and Duration of the Study: Department of Paediatrics, Ziauddin Medical University Hospital, Karachi, Pakistan, from March to June, 2023. Methodology: Three groups of 4th-year students (n = 61) at Ziauddin Medical University underwent this formative assessment process 4-5 times during a 4-week rotation. Psychometric analysis for reliability was done by calculating the internal consistency and item-total correlation of TOSBA scores. At the same time, validity was determined by correlating TOSBA scores with the end-ofrotation objective structured clinical evaluation (OSCE) scores. Results: The TOSBA tool's overall reliability was good, with Cronbach's alpha values >0.7 for all clinical skills assessed. Spearman's correlation revealed r2 >0.4 (p <0.001) for history taking and clinical reasoning. Item-total correlation varied across stations, occasionally falling below 0.7. Strong correlations (0.46 to 0.73, p <0.001) were observed between similar constructs. The multi-trait-multi-method matrix highlighted divergent validity, showing no or negative correlations within the same method (TOSBA or OSCE), except for physical examination, which di ered from OSCE. Conclusion: The TOSBA tool developed for formative assessment of undergraduate paediatric students is a reliable and moderately valid tool for formative assessment of undergraduate students.

Page(s): 897-903

DOI: 10.29271/jcpsp.2025.07.897

Published: Journal: Journal of the College of Physicians and Surgeons Pakistan, Volume: 35, Issue: 07, Year: 2025

Keywords:

Reliability , Validity , Undergraduate students , Objective structured clinical evaluation , Team objective structured bedside assessment

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