The Validity of Behavior Development Screening for Toddlers-Questionnaire/Teachers(BeDevel-Q/T): An early screening tool for infants and toddlers with autism spectrum disorder (걸음마기 아동 행동 발달 선별 척도-교사용 설문지 (BeDevel-Q/T: Behavior Development Screening for Toddlers-Questionnaire/Teacher)타당화 연구: 영유아기 자폐스펙트럼장애 조기선별도구)

Lee, Kyung Sook (이경숙); Suk Jin Jung (정석진); Shin Yong Woo (신용우); Young Il Cho (조영일)

doi:10.35574/KJDP.2020.6.33.2.123

The Validity of Behavior Development Screening for Toddlers-Questionnaire/Teachers(BeDevel-Q/T): An early screening tool for infants and toddlers with autism spectrum disorder

THE KOREAN JOURNAL OF DEVELOPMENTAL PSYCHOLOGY
2020, 33(2), pp.123~143
DOI : 10.35574/KJDP.2020.6.33.2.123
Publisher : The Korean Society For Developmental Psychology
Research Area : Social Science > Psychological Science
Received : April 15, 2020
Accepted : June 3, 2020
Published : June 15, 2020

Lee, Kyung Sook ¹, Suk Jin Jung ², Shin Yong Woo ³, Young Il Cho ⁴

¹한신대학교 재활상담학과 교수
²세원영유아아동상담센터 소장
³성신여자대학교
⁴성신여자대학교 심리학과 교수

Accredited

ABSTRACT

This study validified the Behavior Development Screening for Toddlers-Questionnaire/Teachers (BeDevel-Q/T), an autism spectrum disorder (ASD) screening instrument. This assessment serves the purpose of teacher reports for early screening of ASD on infants aged 9-47 months. Pilot tests were conducted on a total of 217 people(N=179 typical development, N=32 ASD, n=6+DD). A total of 1,936 participants were tested N = 1,833 typical development, N = 62 ASD, N = 41 developmentally delayed). The results showed a line between age ranges of 9-11 months, 12-23 months, 24-35 months and 36-47 months. Each age ranges consisted of 7-27 questionnaires and 3 subfactors. BeDevel-Q/T validity was tested by the general developmental criterion of BeDevel-Q/T, M-CHAT, Autism items from BITSEA and sociability items from K-DST. M-CHAT, Autism items from BITSEA and sociability items from K-DST were also employed and correlation analysis was performed and general differentiation factors between ASD, developmental delayed, and normal groups were also considered. Results showed a reasonable level of acceptability. BeDevel-Q/T showed high sensitivity (50.0-85.0%), specificity (59.60-84.8%), high internal consistency (Cronbach's α=0.72-76) as well as high test-retest reliability (r=0.79-94). Our results suggest that BeDevel-Q/T might work as a useful short form screener for early identiﬁcation of ASD in primary care settings.

KEYWORDS

autism spectrum disorder (ASD), toddlers, infancy, teacher, early screening, Behavior Development Screening for Toddler-Questionnaire/Teachers, BeDevel-Q/T

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