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. 2016 Sep;46(9):2905-15.
doi: 10.1007/s10803-016-2822-5.

Exploratory Factor Analysis of SRS-2 Teacher Ratings for Youth with ASD

Andrew T Nelson  1 , Christopher Lopata  2 , Martin A Volker  3 , Marcus L Thomeer  2 , Jennifer A Toomey  4 , Elissa Dua  5
Affiliations

Exploratory Factor Analysis of SRS-2 Teacher Ratings for Youth with ASD

Andrew T Nelson et al. J Autism Dev Disord. 2016 Sep.

Abstract

This study examined the factor structure and internal consistency of special education teaching staff ratings on the Social Responsiveness Scale-2 (SRS-2; Constantino and Gruber 2012), as well as the percentage of ratings falling above pre-established cut scores, for a sample of lower-functioning youth with autism spectrum disorder (ASD; n = 264). Results of the exploratory factor analysis yielded a four-factor correlated solution. The individual factors and total score demonstrated satisfactory internal consistency reliability for screening purposes. When applying the lowest pre-established cut score (T ≥ 60; minimum indication of clinically significant symptoms/impairments), 85 % of the sample had ratings in that range or higher (more severe). Implications for assessment and future research are provided.

Keywords: ASD; Exploratory factor analysis; SRS-2; Teacher ratings.

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