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J Autism Dev Disord. 2018 Dec;48(12):4231-4249. doi: 10.1007/s10803-018-3678-7.

Psychometric Evaluation of the Short Sensory Profile in Youth with Autism Spectrum Disorder.

Author information

1
Medical Scientist Training Program, Vanderbilt University School of Medicine, Nashville, USA. Zachary.j.williams@vanderbilt.edu.
2
Department of Psychiatry and Behavioral Sciences, Vanderbilt University School of Medicine, Nashville, USA.
3
Vanderbilt Kennedy Center, Vanderbilt University Medical Center, Nashville, USA.
4
Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, USA.

Abstract

The Short Sensory Profile (SSP) is one of the most commonly used measures of sensory features in children with autism spectrum disorder (ASD), but psychometric studies in this population are limited. Using confirmatory factor analysis, we evaluated the structural validity of the SSP subscales in ASD children. Confirmatory factor models exhibited poor fit, and a follow-up exploratory factor analysis suggested a 9-factor structure that only replicated three of the seven original subscales. Secondary analyses suggest that while reliable, the SSP total score is substantially biased by individual differences on dimensions other than the general factor. Overall, our findings discourage the use of the SSP total score and most subscale scores in children with ASD. Implications for future research are discussed.

KEYWORDS:

Autism spectrum disorder; Factor analysis; Psychometric; Sensory; Short Sensory Profile; Validity

PMID:
30019274
PMCID:
PMC6219913
[Available on 2019-12-01]
DOI:
10.1007/s10803-018-3678-7
[Indexed for MEDLINE]

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