Journal List > J Korean Acad Nurs > v.46(2) > 1003158

Oh, Park, Suk, and Im: Development and Psychometric Evaluation of the Transcultural Self-efficacy Scale for Nurses

Abstract

Purpose

This methodological study was conducted to develop and psychometrically test the Transcultural Self-efficacy scale (TCSEscale) for nurses.

Methods

Initial 41 items for the TCSE-scale were generated based on extensive literature reviews and in-depth interviews with 18 nurses who had experience in caring for foreign patients. Cultural Competence and Confidence model was used as a conceptual framework. Content validity was evaluated by an expert panel. Psychometric testing was performed with a convenience sample of 242 nurses recruited from four general hospitals in the Seoul metropolitan area and Gyeonggi-do province of South Korea. To evaluate the reliability of TCSE-scale, a test-retest reliability and an internal consistency reliability were analyzed. Construct validity, concurrent validity, criterion validity, convergent validity and discriminative validity were used to evaluate the validity.

Results

The 25-item TCSE-scale was found to have three subscales-Cognitive, Practical, and Affective domain-explaining 91.5% of the total variance. TCSE-scale also demonstrated a concurrent validity with the Cultural Competence Scale. Criterion-related validity was supported by known-group comparison. Reliability analysis showed an acceptable-to-high Cronbach's alpha-.88 in total, and subscales ranged from .76 to .87. The ICC was .90, indicating that the TCSE-scale has internal consistency and stability of reliability.

Conclusion

This preliminary evaluation of the psychometric scale properties demonstrated an acceptable validity and reliability. The TCSE-scale is able to contribute to building up empirical and evidence based on data collection regarding the transcultural self-efficacy of clinical nurses. We suggest further testing of the applicability of TCSE-scale in different settings and community contexts.

Figures and Tables

Figure 1

Conceptual framework for the study.

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Table 1

Factor Loading of Questionnaire

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KMO=.81; Bartlett test of sphericity=3536.55 (p<.001)

Table 2

Correlation between TCSE-scale and CC-scale

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TCSE=Transcultural self-efficacy; CC=Cultural competence.

Table 3

Criterion Validity Test

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Table 4

Multitrait/Multi-item Matrix of TCSE-scale (Correlation Matrix Corrected for Overlap)

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Table 5

Reliability for Final TCSE-scale

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TCSE=Transcultural self-efficacy; PCC=Pearson correlation coefficient; ICC=Intraclass correlation coefficient; SEM=Standard error of measurement.

Notes

This work was supported by the 2014 Korea University special research grant.

CONFLICTS OF INTEREST The authors declared no conflict of interest.

Appendix

Appendix 1

Transcultural Self-efficacy Scale

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