The development and validation of the clinicians’ awareness towards cognitive errors (CATChES) in clinical decision making questionnaire tool

Chew, K.S. and Yee Cheng, Kueh and Adlihafizi, Abdul Aziz (2017) The development and validation of the clinicians’ awareness towards cognitive errors (CATChES) in clinical decision making questionnaire tool. BMC Medical Education, 17 (1). pp. 1-8. ISSN 1472-6920

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Abstract

Background: Despite their importance on diagnostic accuracy, there is a paucity of literature on questionnaire tools to assess clinicians’ awareness toward cognitive errors. A validation study was conducted to develop a questionnaire tool to evaluate the Clinician’s Awareness Towards Cognitive Errors (CATChES) in clinical decision making. Methods: This questionnaire is divided into two parts. Part A is to evaluate the clinicians’ awareness towards cognitive errors in clinical decision making while Part B is to evaluate their perception towards specific cognitive errors. Content validation for both parts was first determined followed by construct validation for Part A. Construct validation for Part B was not determined as the responses were set in a dichotomous format. Results: For content validation, all items in both Part A and Part B were rated as “excellent” in terms of their relevance in clinical settings. For construct validation using exploratory factor analysis (EFA) for Part A, a two-factor model with total variance extraction of 60% was determined. Two items were deleted. Then, the EFA was repeated showing that all factor loadings are above the cut-off value of >0.5. The Cronbach’s alpha for both factors are above 0.6. Conclusion: The CATChES questionnaire tool is a valid questionnaire tool aimed to evaluate the awareness among clinicians toward cognitive errors in clinical decision making.

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