Reliability and validity testing of the medicines related-consultation assessment tool for assessing pharmacists' consultations

Helen Middleton , Lesley Grimes, Sarah Willis, Douglas Steinke, Matthew Shaw

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Abstract

Abstract
Background Demonstrating a person-centred approach in a consultation is a key component of delivering high-quality
healthcare. To support development of such an approach requires training underpinned by valid assessment tools. Given the
lack of a suitable pharmacy-specifc tool, a new global consultation skills assessment tool: the medicines related-consultation
assessment tool (MR-CAT) was designed and tested.
Aim This study aimed to test the validity and reliability of the MR-CAT using psychometric methods.
Method Psychometric testing involved analysis of participants’ (n=13) assessment of ffteen pre-recorded simulated consultations using the MR-CAT. Analysis included discriminant validity testing, intrarater and interrater reliability testing for
each of the fve sections of the MR-CAT and for the overall global assessment of the consultation. Analysis also included
internal consistency testing for the whole tool.
Results Internal consistency for the overall global assessment of the consultation was good (Cronbach’s alpha=0.97). The
MR-CAT discriminated well for the overall global assessment of the consultation (preliability was observed for the overall global assessment of the consultation and for all fve sections of the MR-CAT
(rho=0.64–0.84) in the test–retest analysis. Moderate to good interrater reliability (Kendall’s W=0.68–0.90) was observed
for the overall global assessment of the consultation and for all fve sections of the MR-CAT.
Conclusion The MR-CAT is a valid and reliable tool for assessing person-centred pharmacist’s consultations. Moreover, its
unique design means that the MR-CAT can be used in both formative and summative assessment.
Original languageEnglish
JournalInternational journal of clinical pharmacy
DOIs
Publication statusPublished - 17 Sept 2022

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