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The Modified Checklist for Autism in Toddlers (M-CHAT) is a psychological questionnaire that evaluates risk for autism spectrum disorder in children ages 16–30 months. The 20-question test is filled out by the parent, and a follow-up portion is available for children who are classified as medium- to high-risk for autism spectrum disorder.
The Gesell Developmental Schedules claimed that an appraisal of the developmental status of infants and young children could be made. The Gesell Developmental Schedule believes that human development unfolds in stages, or in sequences over a given time period. These stages were considered milestones, or the manifestations of mental development. [1]
The interview covers the referred individual's full developmental history, is usually conducted in an office, home or other quiet setting by a psychologist, and generally takes one to two hours. The caregivers are asked 93 questions, spanning the three main behavioral areas, about either the individual's current behavior or behavior at a ...
Both tests differ from other common developmental screening tests in that the examiner directly tests the child. This is a strength if parents communicate poorly or are poor observers or reporters. Other tools, for example the Age and Stages Questionnaires, depend on parent report.
The 86-item questionnaire has separate forms for parents and teachers, and typically takes 10–15 minutes to administer and 15–20 minutes to score. Other versions of the BRIEF also exist for preschool children aged 2–5 (BRIEF-P), self-reports of adolescents aged 11–18 (BRIEF-SR), and self/informant-reports of adults aged 18–90 (BRIEF-A).
Ages & Stages Questionnaires (ASQ) - A way to screen infants and young children for developmental delays during the crucial first 5 years of life. See Developmental-Behavioral Screening and Surveillance#Challenges to Early Detection in Primary Care; Attributional Style Questionnaire, a self-report instrument that yields scores for explanatory style
Parents of 1,150 primary school aged children were sent the CAST questionnaire, with 199 responders and 174 taking part in the full data analysis. The results suggested that, compared to other screening tools currently available, the CAST may be useful for identifying children at risk for autism spectrum disorders, in a mainstream non-clinical sample.
It was validated both at the hospital and the community level against the standard Denver Developmental Screening Test. [2]With a sensitivity of 66.7% and specificity of 78.8%, it can be used even by community level health worker for mass screening and takes around 5 minutes to complete. [2]