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Description

The Social Communication Questionnnaire (SCQ) is a 40 item questionnaire derived from the Autism Diagnostic Interview-Revised (ADI-R) (Constantino et al., 2003). It offers two algorithms, a lifetime diagnosis, which refers to the behaviour throughout the child’s lifetime and a current algorithm, which focuses on the most recent 3-month period. It has a good discriminative validity with respect to the separation between ASD and non-ASD children across all IQ levels. The lifetime SCQ cannot assist in measuring the level of autism of the children at the time of the assessments, as it refers to specific periods of the child’s life and whether or not he has ever displayed such and such behaviour; for example, presented with special interests that were unusual in their intensity or, had ever had any mannerism or odd ways of moving his/her hands or fingers. This version of the SCQ however will be of help in judging a child’s progression.

The SCQ sub-domains were found to have good correlation coefficient with the ADI-R sub-domains ranging from 0.73 to 0.89.

A cut-off score of 15 is recommended on the Lifetime SCQ as an indication of a possible ASD. The general population was found to have a mean value of 5.2, whilst the mean score for children with autism was 24.2 (Berument et al., 1999). Individuals scoring around 10-11, well above the general population mean, but below the cut-off point for a possible ASD, should be referred for more complete diagnostic evaluation.

Quick Facts

Administer To Family or caregiver
Age range Over 4 years old
Completion Time 10 min
Formats Questionnaire
Scoring Options Hand Scoring

Requirement

Typical applicants will have a background in psychology, psychiatry, paediatrics, nursing, speech therapy or similar, and will be currently employed in that capacity either as a clinician, part of a clinical team or part of a research team. Qualifications and employment information must be provided on the course application form.