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Open Access Highly Accessed Research article

Family physicians’ diagnostic gut feelings are measurable: construct validation of a questionnaire

Christiaan F Stolper1*, Margje WJ Van de Wiel2, Henrica CW De Vet3, Alexander LB Rutten4, Paul Van Royen5, Marloes A Van Bokhoven1, Trudy Van der Weijden1 and Geert Jan Dinant1

Author Affiliations

1 Caphri School for Public Health and Primary Care, Department of Primary Medicine, Maastricht University, P.O. Box 616, Maastricht, 6200 MD, The Netherlands

2 Faculty of Psychology & Neuroscience, Department of Work and Social Psychology, Maastricht University, Maastricht, The Netherlands

3 EMGO Institute for Health and Care Research, Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands

4 Institute for Intellectually Impaired, Tilburg, The Netherlands

5 Faculty of Medicine and Health Sciences, Department of Primary and Interdisciplinary Care, University of Antwerp, Antwerp, Belgium

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BMC Family Practice 2013, 14:1  doi:10.1186/1471-2296-14-1

Published: 2 January 2013

Abstract

Background

Family physicians perceive that gut feelings, i.e. a ‘sense of reassurance’ or a ‘sense of alarm’, play a substantial role in diagnostic reasoning. A measuring instrument is desirable for further research. Our objective is to validate a questionnaire measuring the presence of gut feelings in diagnostic reasoning.

Methods

We constructed 16 case vignettes from real practice situations and used the accompanying ‘sense of reassurance’ or the ‘sense of alarm’ as reference labels. Based on the results of an initial study (26 family physicians), we divided the case vignettes into a group involving a clear role for the sense of reassurance or the sense of alarm and a group involving an ambiguous role. 49 experienced family physicians evaluated each 10 vignettes using the questionnaire. Construct validity was assessed by testing hypotheses and an internal consistency procedure was performed.

Results

As hypothesized we found that the correlations between the reference labels and corresponding items were high for the clear-case vignettes (0.59 – 0.72) and low for the ambiguous-case vignettes (0.08 – 0.23). The agreement between the classification in clear sense of reassurance, clear sense of alarm and ambiguous case vignettes as derived from the initial study and the study population’s judgments was substantial (Kappa = 0.62). Factor analysis showed one factor with opposites for sense of reassurance and sense of alarm items. The questionnaire’s internal consistency was high (0.91). We provided a linguistic validated English-language text of the questionnaire.

Conclusions

The questionnaire appears to be valid. It enables quantitative research into the role of gut feelings and their diagnostic value in family physicians’ diagnostic reasoning.

Keywords:
Gut feelings; Family medicine; General practitioners; Diagnostic reasoning; Questionnaire; Construct validation; Medical decision-making; Medical problem-solving; Intuition; Clinical reasoning