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A multisample model validation of the evidence-based practice questionnaire.

Albert Sesé-Abad¹, Joan De Pedro-Gómez, Miquel Bennasar-Veny

¹Faculty of Psychology, Balearic Islands University, Palma, Spain.

Research in Nursing & Health

|July 22, 2014

Summary

Identifying barriers to evidence-based practice (EBP) is crucial for successful implementation. This study validated the Spanish Evidence-Based Practice Questionnaire (EBPQ), finding the 19-item model superior for measuring EBP barriers in diverse healthcare settings.

Keywords:

evidence-based nursing evidence-based practice instrument validation professional competence psychometrics questionnaires

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Area of Science:

Nursing Research
Health Services Research
Psychometrics

Background:

Successful implementation of evidence-based practice (EBP) relies on identifying barriers.
Existing instruments for measuring EBP barriers often lack robust validation.
The Spanish version of the Evidence-Based Practice Questionnaire (EBPQ) requires psychometric evaluation.

Purpose of the Study:

To compare the goodness of fit between a 24-item and a 19-item model for the Spanish EBPQ.
To assess the psychometric properties of the Spanish EBPQ in a large, multi-site sample.
To evaluate the measurement invariance of the EBPQ across different healthcare contexts.

Main Methods:

Multisample confirmatory factor analysis was employed.
The study included 1,673 full-time registered nurses from 10 hospitals and 57 primary health care centers in the Spanish Public Health Service.
Two measurement models (24-item and 19-item) of the Spanish EBPQ were contrasted.

Main Results:

The 19-item model demonstrated superior goodness of fit across all four subsamples.
A hypothesis of strict invariance was supported, indicating consistent factor loadings, intercepts, and error variances.
Goodness-of-fit indices provided strong evidence for the model's validity according to standard criteria.

Conclusions:

The 19-item Spanish version of the EBPQ is a psychometrically sound instrument for measuring barriers to evidence-based practice.
The validated EBPQ can be reliably used across various Spanish healthcare settings to identify implementation challenges.
This robust measurement tool supports research and practice aimed at enhancing EBP implementation.