Journal of Autism and Developmental Disorders

, Volume 44, Issue 1, pp 168–179 | Cite as

The Autism Impact Measure (AIM): Initial Development of a New Tool for Treatment Outcome Measurement

  • Stephen M. Kanne
  • Micah O. Mazurek
  • Darryn Sikora
  • Jayne Bellando
  • Lee Branum-Martin
  • Benjamin Handen
  • Terry Katz
  • Brian Freedman
  • Mary Paige Powell
  • Zachary Warren
Original Paper

Abstract

The current study describes the development and psychometric properties of a new measure targeting sensitivity to change of core autism spectrum disorder (ASD) symptoms, the Autism Impact Measure (AIM). The AIM uses a 2-week recall period with items rated on two corresponding 5-point scales (frequency and impact). Psychometric properties were examined using a large sample (n = 440) of children with ASD enrolled in the Autism Treatment Network. The exploratory factor analysis indicated four factors and resulted in a 25-item questionnaire with excellent overall model fit. Test–retest reliability, cross-informant reliability, and convergent validity with other measures of ASD symptoms and overall functioning were strong. The AIM is a reliable and valid measure of frequency and impact of core ASD symptoms.

Keywords

Autism spectrum disorder Outcome Treatment Symptoms Impairment 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Stephen M. Kanne
    • 1
    • 10
  • Micah O. Mazurek
    • 1
  • Darryn Sikora
    • 2
  • Jayne Bellando
    • 3
  • Lee Branum-Martin
    • 4
  • Benjamin Handen
    • 5
  • Terry Katz
    • 6
  • Brian Freedman
    • 7
  • Mary Paige Powell
    • 8
  • Zachary Warren
    • 9
  1. 1.University of MissouriColumbiaUSA
  2. 2.Providence Neurodevelopmental Center for ChildrenPortlandUSA
  3. 3.University of Arkansas for Medical SciencesLittle RockUSA
  4. 4.Georgia State UniversityAtlantaUSA
  5. 5.University of PittsburghPittsburghUSA
  6. 6.University of Colorado School of MedicineAuroraUSA
  7. 7.University of DelawareNewarkUSA
  8. 8.Cornerstone Behavioral MedicineHigh PointUSA
  9. 9.Vanderbilt Kennedy CenterNashvilleUSA
  10. 10.Department of Health Psychology, Thompson Center for Autism and Neurodevelopmental DisordersUniversity of MissouriColumbiaUSA

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