Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scales

Background: Evidence-based practice (EBP) is crucial for appropriate, effective, and affordable care. Despite EBP education, barriers like low self-efficacy and outcome expectancy limit nurses’ engagement in EBP. Reliable scales are essential to evaluate interventions aimed at improving self-efficac...

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Main Authors: Peter Hoegen, Michael Echteld, Cindy de Bot, Annemarie de Vos, Derya Demirçay, Mary-Anne Ramis, Lidwine Mokkink, Hester Vermeulen
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:International Journal of Nursing Studies Advances
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666142X24001139
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author Peter Hoegen
Michael Echteld
Cindy de Bot
Annemarie de Vos
Derya Demirçay
Mary-Anne Ramis
Lidwine Mokkink
Hester Vermeulen
author_facet Peter Hoegen
Michael Echteld
Cindy de Bot
Annemarie de Vos
Derya Demirçay
Mary-Anne Ramis
Lidwine Mokkink
Hester Vermeulen
author_sort Peter Hoegen
collection DOAJ
description Background: Evidence-based practice (EBP) is crucial for appropriate, effective, and affordable care. Despite EBP education, barriers like low self-efficacy and outcome expectancy limit nurses’ engagement in EBP. Reliable scales are essential to evaluate interventions aimed at improving self-efficacy and outcome expectancy in EBP. The English Self-efficacy and Outcome Expectancy in EBP scales are psychometrically sound. Objectives: To describe the translation, construct validity and internal consistency of the Dutch Self-efficacy and Outcome Expectancy in EBP Scales. Method: The scales were translated forward and backward, piloted for comprehensibility and completeness and then administered among Dutch nurses and nursing students. Results: Pilot testing confirmed comprehensibility, completeness, and relevance of the items. Confirmatory factor analysis (CFA) (n = 769) tested a second-order model for the Self-efficacy scale (Comparative Fit Index (CFI)=0.96, Tucker-Lewis Index (TLI)=0.95, Root Mean Square Error of Approximation (RMSEA)=0.06, Standardized Root Mean Residual (SRMR)=0.04) and a single-factor model for the Outcome Expectancy Scale (CFI=0.99, TLI=0.99, RMSEA=0.06, SRMR=0.01). Chi-squared tests remained significant. Hypothesis testing confirmed construct validity of the Self-efficacy (r = 0.77) and Outcome Expectancy Scale (r = 0.74). Both scales exhibited high internal consistency with McDonald's Omega and Cronbach's Alpha values above 0.95. Discussion: Both scales exhibit theoretical soundness and positive fit indices. Significant chi-square tests and high correlations between weighted and unweighted scores support using unweighted scores over utilizing the estimated model to calculate weighted scores. Conclusions: Construct validity and internal consistency of the Dutch Self-efficacy and Outcome Expectancy in EBP Scales are good. Future research should prioritize responsiveness and test-retest reliability.
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spelling doaj-art-9854badff9bb4caa8f6b9d0c1c5724fb2025-01-08T04:53:28ZengElsevierInternational Journal of Nursing Studies Advances2666-142X2025-06-018100286Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scalesPeter Hoegen0Michael Echteld1Cindy de Bot2Annemarie de Vos3Derya Demirçay4Mary-Anne Ramis5Lidwine Mokkink6Hester Vermeulen7School of Health and Social Care, Avans University of Applied Science, Hogeschoollaan 1, 4818 CR Breda, The Netherlands; Centre of Expertise Perspective in Health, Care and Wellbeing, Avans University of Applied Sciences, Breda, The Netherlands; Radboud Institute for Health Sciences, Scientific Center for Quality of Healthcare (IQ Health), Radboud University Medical Center, Kapittelweg 54, 6525 EP Nijmegen, The Netherlands; Corresponding authoAvans University of Applied Science, Academy of Part-time Studies: School of Health, Social Care and Education, P.O. box 90116, 4800 RA Breda, The Netherlands.Centre of Expertise Perspective in Health, Care and Wellbeing, Avans University of Applied Sciences, Breda, The NetherlandsCentre of Expertise Perspective in Health, Care and Wellbeing, Avans University of Applied Sciences, Breda, The NetherlandsCentre of Expertise Perspective in Health, Care and Wellbeing, Avans University of Applied Sciences, Breda, The Netherlands; Fontys School of People and Health Studies, Fontys University of Applied Sciences, Tilburg, The Netherlands; Academy of Nursing Science and Education, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands; Research and Education in Nursing Consortium (RENurse), Hilvarenbeekseweg 6, 5022 GC Tilburg, The NetherlandsCentre of Expertise Perspective in Health, Care and Wellbeing, Avans University of Applied Sciences, Breda, The NetherlandsMater Health and Queensland Centre for Evidence Based Nursing and Midwifery: A JBI Centre of Excellence, Brisbane, Queensland AustraliaDepartment of Epidemiology and Data Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands; Amsterdam Public Health research institute, Methodology, Amsterdam UMC. Amsterdam, The NetherlandsRadboud Institute for Health Sciences, Scientific Center for Quality of Healthcare (IQ Health), Radboud University Medical Center, Kapittelweg 54, 6525 EP Nijmegen, The Netherlands; Research and Education in Nursing Consortium (RENurse), Hilvarenbeekseweg 6, 5022 GC Tilburg, The Netherlands; HAN University of Applied Sciences, School of Health Studies Nijmegen, Nijmegen, The NetherlandsBackground: Evidence-based practice (EBP) is crucial for appropriate, effective, and affordable care. Despite EBP education, barriers like low self-efficacy and outcome expectancy limit nurses’ engagement in EBP. Reliable scales are essential to evaluate interventions aimed at improving self-efficacy and outcome expectancy in EBP. The English Self-efficacy and Outcome Expectancy in EBP scales are psychometrically sound. Objectives: To describe the translation, construct validity and internal consistency of the Dutch Self-efficacy and Outcome Expectancy in EBP Scales. Method: The scales were translated forward and backward, piloted for comprehensibility and completeness and then administered among Dutch nurses and nursing students. Results: Pilot testing confirmed comprehensibility, completeness, and relevance of the items. Confirmatory factor analysis (CFA) (n = 769) tested a second-order model for the Self-efficacy scale (Comparative Fit Index (CFI)=0.96, Tucker-Lewis Index (TLI)=0.95, Root Mean Square Error of Approximation (RMSEA)=0.06, Standardized Root Mean Residual (SRMR)=0.04) and a single-factor model for the Outcome Expectancy Scale (CFI=0.99, TLI=0.99, RMSEA=0.06, SRMR=0.01). Chi-squared tests remained significant. Hypothesis testing confirmed construct validity of the Self-efficacy (r = 0.77) and Outcome Expectancy Scale (r = 0.74). Both scales exhibited high internal consistency with McDonald's Omega and Cronbach's Alpha values above 0.95. Discussion: Both scales exhibit theoretical soundness and positive fit indices. Significant chi-square tests and high correlations between weighted and unweighted scores support using unweighted scores over utilizing the estimated model to calculate weighted scores. Conclusions: Construct validity and internal consistency of the Dutch Self-efficacy and Outcome Expectancy in EBP Scales are good. Future research should prioritize responsiveness and test-retest reliability.http://www.sciencedirect.com/science/article/pii/S2666142X24001139Evidence-based practiceNursesOutcome expectancyPsychometricsSelf-efficacySurveys and Questionnaires
spellingShingle Peter Hoegen
Michael Echteld
Cindy de Bot
Annemarie de Vos
Derya Demirçay
Mary-Anne Ramis
Lidwine Mokkink
Hester Vermeulen
Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scales
International Journal of Nursing Studies Advances
Evidence-based practice
Nurses
Outcome expectancy
Psychometrics
Self-efficacy
Surveys and Questionnaires
title Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scales
title_full Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scales
title_fullStr Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scales
title_full_unstemmed Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scales
title_short Nurses' self-efficacy and outcome expectancy in evidence-based practice: Translation, construct validity and internal consistency of the Dutch scales
title_sort nurses self efficacy and outcome expectancy in evidence based practice translation construct validity and internal consistency of the dutch scales
topic Evidence-based practice
Nurses
Outcome expectancy
Psychometrics
Self-efficacy
Surveys and Questionnaires
url http://www.sciencedirect.com/science/article/pii/S2666142X24001139
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