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Reliability and validity testing of a short form of the Readiness Estimate and Deployability Index Revised for Air
Theresa Lynn Dremsa1, Nancy A Ryan-Wenger, Carol Reineck
159th Clinical Research Squadron, Lackland Air Force Base, TX 78236, USA.
Objective:
The purpose of this study was to test the reliability and validity of the Readiness Estimate and Deployability Index Revised for Air Force Nurses Short Form, with a sample of 205 Air Force nurses. Participants were mostly female (70%), 36.31 +/- 9.3 years of age, with 11.52 +/- 7.17 years of nursing experience.
Methods:
With structural equation modeling, the initial model did not fit the data (chi2/df = 5.45) and was revised.
Results:
Revisions based on modification indices provided evidence of reliability (alpha coefficients of 0.70-0.94; the majority of R2 values were >0.50) and improved the fit of the model (chi2 difference, 35.54; df difference, 3.76; p < 0.05). Hypothesis testing provided evidence of construct validity.
Conclusions:
The 40-item Readiness Estimate and Deployability Index Revised for Air Force Nurses Short Form provides evidence of reliability and validity as a self-assessment measure of deployment preparedness.
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