This study examines the following properties of the Modified Checklist for Autism in Toddlers (M-CHAT) in an unselected low-risk sample: (a) the maximum age for screen administration; (b) the positive screen rate in the absence of follow-up telephone interviews and; (c) the distributional properties of positive screens.Data came froma prospective cohort study (n = 1,604).Results suggest that the M-CHAT can appropriately be administered to children aged 20-48 months. Documented explanations provided by mothers during screening, appear to effectively identify potential screen misclassifications in the absence of the follow-up telephone interviews. This further emphasizes the importance of clinician expertise in verifying positive M-CHAT screens. Results have implications for the administration of the M-CHAT in clinical and research settings. © Springer Science+Business Media, LLC 2011.
CITATION STYLE
Yama, B., Freeman, T., Graves, E., Yuan, S., & Karen Campbell, M. (2012). Examination of the properties of the modified checklist for autism in toddlers (m-chat) in a population sample. Journal of Autism and Developmental Disorders, 42(1), 23–34. https://doi.org/10.1007/s10803-011-1211-3
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