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Original Article
Construct Validity of the Life Transition Scale for Parents of Children with Autism
Ae Ran Lee, Sun Woo Hong, Se Jin Ju
Journal of Korean Academy of Nursing 2014;44(5):563-572.
DOI: https://doi.org/10.4040/jkan.2014.44.5.563
Published online: October 31, 2014

1Department of Nursing, Wonkwang Health Science University, Iksan, Korea.

2Department of Emergency Medical Technology, Daejeon University, Daejeon, Korea.

3Department of Nursing, Namseoul University, Cheonan, Korea.

Address reprint requests to: Hong, Sun Woo. Department of Emergency Medical Technology, Daejeon University, 62 Daehak-ro, Dong-gu, Daejeon 300-716, Korea. Tel: +82-42-280-2938, Fax: +82-42-280-2946, swhong@dju.kr
• Received: June 9, 2014   • Revised: June 18, 2014   • Accepted: September 10, 2014

© 2014 Korean Society of Nursing Science

This is an Open Access article distributed under the terms of the Creative Commons Attribution NoDerivs License. (http://creativecommons.org/licenses/by-nd/4.0/) If the original work is properly cited and retained without any modification or reproduction, it can be used and re-distributed in any format and medium.

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  • Purpose
    The study was done to identify the construct validity and reliability of the life transition scale (LTS) for parents who have children with autism.
  • Methods
    Exploratory factor analysis (EFA) and confirmative factor analysis (CFA) were conducted to identify the most adequate measurement model for structural validity. Convergent validity and discriminant validity were also conducted for structural validity. Data were collected from 208 parents through self-reported questionnaires and analyzed with SPSS/WIN 15.0 and AMOS 20.0 version.
  • Results
    A four factor-structure was validated (χ2=541.23, p<.001, GFI=.82, RMSEA=.07, IFI=.89, CFI=.89, PNFI=.73, Q (χ2/df)=2.20) at the 3rd order of EFA and CFA, and factors were named as denying, wandering, despairing, and accepting. Both convergent and determinant validity for LTS were 100%. Cronbach's alphas for the reliability of each structure were .77-.90 and .83 for total structure.
  • Conclusion
    The four structures, 24-item instrument showed satisfactory reliability and validity. LTS has the potential to be appropriate for assessing the transition process of life for parents who have children with autism and provides basic directions for differentiated support and care at each stage.
  • Keywords: Autistic disorder; Parents; Transition; Validity
Figure 1
The path diagram of measured model.
jkan-44-563-g001.jpg
Table 1
General Characteristics of Children and Parents (N=415)
jkan-44-563-i001.jpg
Table 2
Factor Pattern Matrix, Communalities and Reliabilities of LTS (N=208)
jkan-44-563-i002.jpg

LTS=Life Transition Scale.

Table 3
Fitness Statistics of Measured Model (N=208)
jkan-44-563-i003.jpg

GFI=Goodness of Fit Index; RMSEA=Root Mean Squared Error of Approximation; IFI=Incremental Fit Index; CFI=Comparative Fit Index; PNFI=Parsimony Normed Fit Index.

Table 4
Multitrait/Multi-item Matrix for Convergent and Discriminant Validity of LTS (N=208)
jkan-44-563-i004.jpg

LTS=Life Transition Scale.

Figure & Data

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        Construct Validity of the Life Transition Scale for Parents of Children with Autism
        J Korean Acad Nurs. 2014;44(5):563-572.   Published online October 31, 2014
        DOI: https://doi.org/10.4040/jkan.2014.44.5.563
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      Construct Validity of the Life Transition Scale for Parents of Children with Autism
      Image
      Figure 1 The path diagram of measured model.

      Figure 1

      Construct Validity of the Life Transition Scale for Parents of Children with Autism

      General Characteristics of Children and Parents (N=415)

      Factor Pattern Matrix, Communalities and Reliabilities of LTS (N=208)

      LTS=Life Transition Scale.

      Fitness Statistics of Measured Model (N=208)

      GFI=Goodness of Fit Index; RMSEA=Root Mean Squared Error of Approximation; IFI=Incremental Fit Index; CFI=Comparative Fit Index; PNFI=Parsimony Normed Fit Index.

      Multitrait/Multi-item Matrix for Convergent and Discriminant Validity of LTS (N=208)

      LTS=Life Transition Scale.
      Table 1 General Characteristics of Children and Parents (N=415)

      Table 2 Factor Pattern Matrix, Communalities and Reliabilities of LTS (N=208)

      LTS=Life Transition Scale.

      Table 3 Fitness Statistics of Measured Model (N=208)

      GFI=Goodness of Fit Index; RMSEA=Root Mean Squared Error of Approximation; IFI=Incremental Fit Index; CFI=Comparative Fit Index; PNFI=Parsimony Normed Fit Index.

      Table 4 Multitrait/Multi-item Matrix for Convergent and Discriminant Validity of LTS (N=208)

      LTS=Life Transition Scale.

      Table 1

      Table 2

      Table 3

      Table 4

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