Asian Journal of Human Services
Online ISSN : 2188-059X
Print ISSN : 2186-3350
ISSN-L : 2186-3350
ORIGINAL ARTICLES
The Verification of the Reliability and Construct Validity of the Disability Awareness Program (DAP) scale:
Analysis of Cross-sectional Data and Longitudinal data
Mamiko OTA Eonji KIMMitsuyo SHIMOJOHaejin KWONChangwan HAN
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JOURNAL OPEN ACCESS

2021 Volume 21 Pages 42-51

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Abstract

This study aimed to verify the reliability and construct validity of Disability Awareness Program (DAP) scale in a multicenter setting for students wishing to become teachers in the future. Cross-sectional data and longitudinal data were collected at University in Yamaguchi and Miyazaki, Okinawa, Miyagi prefecture between January 2020 to May 2020. The reliability of DAP scale was verified via the internal consistency method; the coefficient of Cronbach’s α were over 0.7 (0.829 for all items). The validity of DAP scale was also verified via one-way repeated-measures ANOVA and the latent growth curve model. The total scores of DAP scale obtained from one-way repeated-measures ANOVA were the same as the predicted scores. DAP scale is valid based on its goodness-of-fit values obtained using the latent growth curve model, the values of comparative fit index and root mean square error of approximation were within the goodness-of-fit range (CFI=0.998, RMSEA=0.017). These results indicate that DAP scale has high reliability and construct validity.

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© 2021 Asian Society of Human Services
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