Sensitivity and specificity of the Modified Checklist for Autism in Toddlers and the Social Communication Questionnaire in preschoolers suspected of having pervasive developmental disorders

被引:129
作者
Snow, Anne V. [1 ]
Lecavalier, Luc [1 ]
机构
[1] Ohio State Univ, Nisonger Ctr, Columbus, OH 43210 USA
关键词
M-CHAT; preschoolers; SCQ; sensitivity; specificity;
D O I
10.1177/1362361308097116
中图分类号
B844 [发展心理学(人类心理学)];
学科分类号
040202 ;
摘要
This study assessed the psychometric properties of the Modified Checklist for Autism in Toddlers (M-CHAT) and the Social Communication Questionnaire (SCQ) in a sample of preschool children referred for possible pervasive developmental disorders (PDDs). The sample consisted of 82 children between the ages of 18 and 70 months (54 with a PDD diagnosis and 28 with non-PDD diagnoses). M-CHAT scores were analyzed for 56 children aged 18-48 months old and SCQ scores were analyzed for 65 children aged 30-70 months old. Optimal sensitivity and specificity were achieved using the cutoff score of any three items on the M-CHAT and lowering the cutoff score of the SCQ. The diagnostic agreement of both instruments was also compared in an overlapping subsample of 39 children aged 30-48 months. Overall, the M-CHAT and SCQ appear to more accurately classify children with PDDs who have lower intellectual and adaptive functioning.
引用
收藏
页码:627 / 644
页数:18
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