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01.12.2017 | Research | Ausgabe 1/2017 Open Access

Implementation Science 1/2017

The Evidence-based Practice Attitude Scale-36 (EBPAS-36): a brief and pragmatic measure of attitudes to evidence-based practice validated in US and Norwegian samples

Zeitschrift:
Implementation Science > Ausgabe 1/2017
Autoren:
Marte Rye, Elisa M. Torres, Oddgeir Friborg, Ingunn Skre, Gregory A. Aarons
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​s13012-017-0573-0) contains supplementary material, which is available to authorized users.

Abstract

Background

Short and valid instruments for measuring factors facilitating or hindering implementation efforts are called for. This article describes (1) the adaptation of a shorter version of the Evidence-based Practice Attitude Scale (EBPAS-50 items), and (2) the psychometric properties of the shortened version in both US and Norwegian data.

Methods

The US participants were mental health service providers (N = 418) recruited from clinics providing mental health services in San Diego County, California. The Norwegian participants were psychologists, psychiatric nurses, and psychology students (N = 838) recruited from the Norwegian Psychological Association and the Norwegian Nurses Organization. A confirmatory factor analysis (CFA) approach was used.

Results

The reduction resulted in 36 items named EBPAS-36, and the original 12 factor model was maintained. The EBPAS-36 had acceptable model fit, as indicated by a low degree of misspecification errors in both the US (RMSEA = .045 (CI90% .040–.049); SRMR = .05) and the Norwegian data (RMSEA = .052 (CI90% .047–.056, SRMR = .07). Incremental model fit was fair in the US (CFI = .93, TLI = .91) and in the Norwegian samples (CFI = .91, TLI = .89). The internal consistency (Cronbach’s α) in the US and the Norwegian samples were good for the total EBPAS-36 score (.79 and .86, respectively) and were ranged from adequate to excellent for the subscales (US .60–.91 and Norway .61–.92).

Conclusions

The EBPAS-36 has adequate psychometric properties both in US and Norwegian samples, hence indicating cross-cultural validity. It is a brief, pragmatic, and more user-friendly instrument than the EBPAS-50, yet maintains a broad scope by retaining the original 12 measurement domains.
Zusatzmaterial
Additional file 1: The Evidence-based Practice Attitude Scale-36 (EBPAS-36), English version PDF. (PDF 96 kb)
13012_2017_573_MOESM1_ESM.pdf
Additional file 2: The Evidence-based Practice Attitude Scale-36 (EBPAS-36), Norwegian version PDF. (PDF 212 kb)
13012_2017_573_MOESM2_ESM.pdf
Additional file 3: The Evidence-based Practice Attitude Scale-36 (EBPAS-36), English version Scoring instructions PDF. (PDF 217 kb)
13012_2017_573_MOESM3_ESM.pdf
Additional file 4: The Evidence-based Practice Attitude Scale-36 (EBPAS-36), Norwegian version Scoring instructions PDF. (PDF 108 kb)
13012_2017_573_MOESM4_ESM.pdf
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