Psychometric Validation of the Autism Impact Measure (AIM)

Richard Houghton; Brigitta Monz; Kiely Law; Georg Loss; Stephanie Le Scouiller; Frank de Vries; Tom Willgoss

doi:10.1007/s10803-019-04011-2

Psychometric Validation of the Autism Impact Measure (AIM)

Richard Houghton, Brigitta Monz, Kiely Law, Georg Loss, Stephanie Le Scouiller, Frank de Vries, Tom Willgoss

Kennedy Krieger Institute

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The Autism impact measure (AIM) is a caregiver-reported questionnaire assessing autism symptom frequency and impact in children, previously shown to have good test–retest reliability, convergent validity and structural validity. This study extended previous work by exploring the AIM’s ability to discriminate between ‘known-groups’ of children, and estimating thresholds for clinically important responses. Data were collected online and electronically on computer and mobile devices; hence, it was also possible to confirm other psychometric properties of the AIM in this format. This study provides confirmatory and additional psychometric validation of the AIM. The AIM offers a valid, quick and inexpensive method for caregivers to report core symptoms of autism spectrum disorder (ASD) including communication deficits, difficulties with social interactions and repetitive behaviors.

Original language	English (US)
Pages (from-to)	2559-2570
Number of pages	12
Journal	Journal of Autism and Developmental Disorders
Volume	49
Issue number	6
DOIs	https://doi.org/10.1007/s10803-019-04011-2
State	Published - Jun 15 2019

Keywords

Autism spectrum disorder
Outcome
Psychometric validation
Symptoms
Treatment

ASJC Scopus subject areas

Developmental and Educational Psychology

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10.1007/s10803-019-04011-2

Cite this

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AU - Loss, Georg

AU - Le Scouiller, Stephanie

AU - de Vries, Frank

AU - Willgoss, Tom

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Psychometric Validation of the Autism Impact Measure (AIM)

Abstract

Keywords

ASJC Scopus subject areas

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