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Exploring the measurement properties of the osteopathy clinical teaching questionnaire using Rasch analysis

Overview of attention for article published in Chiropractic & Manual Therapies, May 2018
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Title
Exploring the measurement properties of the osteopathy clinical teaching questionnaire using Rasch analysis
Published in
Chiropractic & Manual Therapies, May 2018
DOI 10.1186/s12998-018-0182-2
Pubmed ID
Authors

Brett Vaughan

Abstract

Clinical teaching evaluations are common in health profession education programs to ensure students are receiving a quality clinical education experience. Questionnaires students use to evaluate their clinical teachers have been developed in professions such as medicine and nursing. The development of a questionnaire that is specifically for the osteopathy on-campus, student-led clinic environment is warranted. Previous work developed the 30-item Osteopathy Clinical Teaching Questionnaire. The current study utilised Rasch analysis to investigate the construct validity of the Osteopathy Clinical Teaching Questionnaire and provide evidence for the validity argument through fit to the Rasch model. Senior osteopathy students at four institutions in Australia, New Zealand and the United Kingdom rated their clinical teachers using the Osteopathy Clinical Teaching Questionnaire. Three hundred and ninety-nine valid responses were received and the data were evaluated for fit to the Rasch model. Reliability estimations (Cronbach's alpha and McDonald's omega) were also evaluated for the final model. The initial analysis demonstrated the data did not fit the Rasch model. Accordingly, modifications to the questionnaire were made including removing items, removing person responses, and rescoring one item. The final model contained 12 items and fit to the Rasch model was adequate. Support for unidimensionality was demonstrated through both the Principal Components Analysis/t-test, and the Cronbach's alpha and McDonald's omega reliability estimates. Analysis of the questionnaire using McDonald's omega hierarchical supported a general factor (quality of clinical teaching in osteopathy). The evidence for unidimensionality and the presence of a general factor support the calculation of a total score for the questionnaire as a sufficient statistic. Further work is now required to investigate the reliability of the 12-item Osteopathy Clinical Teaching Questionnaire to provide evidence for the validity argument.

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The data shown below were compiled from readership statistics for 44 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 44 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 11%
Lecturer 5 11%
Professor 3 7%
Student > Bachelor 3 7%
Student > Doctoral Student 3 7%
Other 13 30%
Unknown 12 27%
Readers by discipline Count As %
Nursing and Health Professions 8 18%
Medicine and Dentistry 7 16%
Arts and Humanities 3 7%
Computer Science 3 7%
Social Sciences 3 7%
Other 5 11%
Unknown 15 34%