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Psychometric evaluation of the 'evidence based practice competencies questionnaire - cerebral palsy'

journal contribution
posted on 2018-08-01, 00:00 authored by Claire Kerr, Steve BoweSteve Bowe, Koki Miyazaki, Christine Imms
AIM: To understand whether knowledge translation activities are effective, good measurement of practice is required. This study investigated the psychometric properties of a self-report measure of allied health practitioner (AHP) evidence-based behaviors when working with children with cerebral palsy. METHODS: Construct validity and reliability studies were undertaken for the 12-item Evidence Based Practice Competency Questionnaire - Cerebral Palsy (EBP-CQ-CP) using the Consensus-based Standards of Measurement Instruments methods. Factor analysis tested construct validity. Weighted Kappa tested chance-corrected agreement for each item and intra-class correlation coefficients (ICC) the reliability of factors derived in the validity study. RESULTS: In the validity study 259 AHP completed the EBP-CQ-CP on occasion 1, and 228 on occasion 2. In the reliability study 46 AHP completed the questionnaire twice. Exploratory factor analysis determined the EBP-CQ-CP contained two scales: 'communicating evidence based expectations' and 'evidence based assessment practices'. Confirmatory factor analysis using data from the second occasion of assessment supported the findings. Excellent consistency in ratings across factor scores were obtained from 46 pairs of raters: Factor 1, ICC = 0.93 (95% Confidence Interval 0.88-0.96); Factor 2, ICC = 0.94 (95% Confidence Interval 0.88-0.97). CONCLUSIONS: This study supports the interpretation of the EBP-CQ-CP in a clinically meaningful and psychometrically robust manner.

History

Journal

Physical & occupational therapy in pediatrics

Volume

38

Pagination

305-315

Location

Abingdon, Eng.

ISSN

0194-2638

eISSN

1541-3144

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2018, Taylor & Francis Group, LLC

Issue

3

Publisher

Taylor & Francis