2. Overview. Background of GARS IIChanges from original GARS to GARS IIPeer-reviewed literature about GARS Description/Administration of GARS IIScoring of GARS IIPros and Cons about GARS IIRecommended Usages. 3. Background of GARS. Originally published in 1995 (Gilliam, 1995)Based on definition of autism in DSM IV and Autism Society of America (1994) Reliable and valid standardized testGoal of GARS Tests for reliabilityTests for validityUsed in schools and clinics internationally.
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Gilliam Autism Rating Scale Second Edition
Eric Rozenblat, M.A., BCBA
Easy to administer GARS II not enough to DX
Takes little time Anecdotal parent questionnaire
Good reliability Lack of peer-reviewed research on GARSII
Good validity Raters may be subjective
Easy to compute Examiner may not administer test on own
Relation to ABA Does not describe environmental contingencies
Direct Observation Examiner qualifications (need specialists in autism with license)
Easy to score
Uses DSM IV Definition
Large Normative Sample
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