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PRESENTATION OUTLINE

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GARS-2

Gilliam Autism Rating Scale
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Created by: James E. Gilliam

Published by: PRO-ED inc. in 1995, was revised in 2006
Since being revised in 2006 there is now a GARS-3 which was published in 2013.

When the assessment was created in 1995 it was the most statistically reliable and valid test for identifying autism.
Photo by Eduardo Loureiro
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Revisions (2006)

  • developmental disturbances subscale
  • interview format
  • clarification
  • reflects the 2000 census
  • "norm" sample is clearly described
  • Autism Index instead of Autism Quotient
  • target behavior chapters
  • separate booklet
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Assessment kit

  • Examiners Manual
  • Summary Response Booklet
  • Instructional Objectives for Children Who have Autism
manual: information needed to administer, score, and interpret the GARS-2
contains technical data

summary response: 9 sections

instructional: goals and objectives can be used when creating IEP's or behavior plans
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Social/Emotional test

must be between 3 and 22 years old and behavioral problems

Measures: specific, observable, and measurable behaviors

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between 5 and 10 minutes

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Examiner

  • selects rater
  • experienced and trained
  • school psychologist, educational diagnostician, autism specialist, speech-language pathologist, or similarly trained
overseas the use, scoring, and interpretation of the assessment

experienced and trained in working with people who have autism
Photo by katerha
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Rater

  • knows the individual
  • classroom teacher, parent, or caregiver
  • gives the assessment
There can be more than 1 rater. The classroom teacher can rate the stereotyped and social interactions while the speech-language pathologist completes the communication section.
Photo by Kathy Cassidy
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Assessment

  • 42 interview items
  • 3 subscales (14 in each)
  • given at home or school
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Summary Response Booklet

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Untitled Slide

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used to graph standard scores and show comparison

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Subscales

1. Stereotyped Behaviors
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3. Flicks fingers rapidly in front of eyes for periods of 5 seconds or more.
12. Flaps hands or fingers in front of face or at sides.

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Subscales

2. Communication
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17. Repeats words or phrases over and over.
20. Looks away or avoids looking at speaker when name is called.

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Subscales

 3. Social Interaction
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29. Avoids eye contact; looks way when someone looks at him or her.
40. Becomes upset when routines are changed.

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if no is selected for any question the individual meets criteria for delays

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SCORING
circle/check answer by hand

raw scores
standard scores
percentile rank
autism index
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numerically add the columns to get a raw score

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convert the raw score into the standard score using the table

the standard score and percentile rank for each subscale gets recorded in section II

calculate the sum of the 3 standard scores and record that also
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take the sum of the 3 subscales standard score and find the autism index and full scale percentile.

these scores get written in section II
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