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1. Citation: Huijg, J. M., Gebhardt, W. A., Dusseldorp, E., Vergeijden, M. W., Zouwe, N., Middelkoop, B. JC., & Crone, M. R. (2014). Measuring determinants of implementation behavior: psychometric properties of a questionnaire based on the theoretical domains framework. Implementation Science, 9 (33). doi: 10.1186/1748-5908-9-33
Title: Measuring determinants of implementation behavior: psychometric properties of a questionnaire based on the theoretical domains framework
Author(s): Huijg, J. M.
Gebhardt, W. A.
Dusseldorp, E.
Vergeijden, M. W.
Zouwe, N.
Middelkoop, B. JC.
Crone, M. R.
Year: 2014
Journal/Publication: Implementation Science
Abstract:

Background

To be able to design effective strategies to improve healthcare professionals’ implementation behaviors, a valid and reliable questionnaire is needed to assess potential implementation determinants. The present study describes the development of the Determinants of Implementation Behavior Questionnaire (DIBQ) and investigates the reliability and validity of this Theoretical Domains Framework (TDF)-based questionnaire.

Methods

The DIBQ was developed to measure the potential behavioral determinants of the 12-domain version of the TDF (Michie et al., 2005). We identified existing questionnaires including items assessing constructs within TDF domains and developed new items where needed. Confirmatory factor analysis was used to examine whether the predefined structure of the TDF-based questionnaire was supported by the data. Cronbach’s alpha was calculated to assess internal consistency reliability of the questionnaire, and domains’ discriminant validity was investigated.

Results

We developed an initial questionnaire containing 100 items assessing 12 domains. Results obtained from confirmatory factor analysis and Cronbach’s alpha resulted in the final questionnaire consisting of 93 items assessing 18 domains, explaining 63.3% of the variance, and internal consistency reliability values ranging from .68 to .93. Domains demonstrated good discriminant validity, although the domains ‘Knowledge’ and ‘Skills’ and the domains ‘Skills’ and ‘Social/professional role and identity’ were highly correlated.

Conclusions

We have developed a valid and reliable questionnaire that can be used to assess potential determinants of healthcare professional implementation behavior following the theoretical domains of the TDF. The DIBQ can be used by researchers and practitioners who are interested in identifying determinants of implementation behaviors in order to be able to develop effective strategies to improve healthcare professionals’ implementation behaviors. Furthermore, the findings provide a novel validation of the TDF and indicate that the domain ‘Environmental context and resources’ might be divided into several environment-related domains.

Keywords:

Implementation behavior; Determinants; Theoretical Domains Framework; Questionnaire; Physical activity interventions

Copyright © (2014) Huijg, J. M. et al. Abstract reprinted by AIR in compliance with the BioMed Central Open Access Charter at http://www.biomedcentral.com/about/policies/license-agreement.

WEB URI:

http://www.implementationscience.com/content/9/1/33

Type of Item: Implementation Instrument
Target Group: Researchers
Evidence Level: 4
Record Updated:2017-02-21
 

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