Psychiatry Investig.  2020 Jan;17(1):47-54. 10.30773/pi.2018.0271.

Validity and Reliability of the Behavior Development Screening for Toddlers-Questionnaire/Parents(BeDevel-Q/P): A Korean Autism Screening Instrument for Infants aged 24–35 Months

Affiliations
  • 1Department of Rehabilitation, Hanshin University, Osan, Republic of Korea
  • 2Sewon Infant & Child Development Center, Seoul, Republic of Korea
  • 3Department of Psychiatry, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
  • 4Department of Psychology, Sungshin University, Seoul, Republic of Korea

Abstract


Objective
This study tested the validity and reliability of the Behavior Development Screening for Toddlers-Questionnaire-Parents (BeDevel-Q/P), a new autism spectrum disorder (ASD) screening instrument being developed in South Korea. The parents of 24–35-month-old infants were recruited to complete the questionnaire.
Methods
The participants were 791 infants aged 24–35 months. There were 623 typically developing infants, 88 infants with ASD, and 80 developmentally delayed infants. For test-retest, the participants were surveyed every 1–4 weeks. Participants were recruited nationwide. Subjects’ parents completed the BeDevel-Q/P and concurrent validity questionnaires. The data were used for statistical analysis.
Results
A total of 24 items consisting of 16 items from factor 1 (F1), 6 items from factor 2 (F2), and 2 items from factor 3 (F3), were selected for the final BeDevel-Q/P items.
Conclusion
The factors of the screening instrument developed in this study were analyzed, and three factors were extracted, confirming the theoretical foundation of the BeDevel-Q for the parents of 24–35-month-old infants.

Keyword

BeDevel-Q/P, Autism spectrum disorder, Validity, Reliability, Early screening
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