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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.
Examples of statements include "feels he or she is bad", "teases others", and "is distracted easily". The questionnaire takes 3–5 minutes to complete. [ 4 ] The original study of the PSC focused on children between 6 and 12 years old, but the checklist has been studied and validated in all age groups between 4 and 16 years.
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.
Use of the Denver Developmental Screening Test has raised various concerns: the applicability of 1967 norms in the 1990s and onwards, [5] the difficulty of administering and scoring several of the test’s language items, [6] and the limited validity in cultures that differ from the normative sample in Denver (ethnic groups, varying levels of ...
The Autism Diagnostic Observation Schedule (ADOS) is a standardized diagnostic test for assessing autism spectrum disorder.The protocol consists of a series of structured and semi-structured tasks that involve social interaction between the examiner and the person under assessment.
A health risk assessment (HRA) is a health questionnaire, used to provide individuals with an evaluation of their health risks and quality of life. [5] Commonly a HRA incorporates three key elements – an extended questionnaire, a risk calculation or score, and some form of feedback, i.e. face-to-face with a health advisor or an automatic online report.
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]
There are two different types of questions that survey researchers use when writing a questionnaire: free-response questions and closed questions. [26] Free-response questions are open-ended, whereas closed questions are usually multiple-choice. [26] Free-response questions are beneficial because they allow the responder greater flexibility ...