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New interview and observation measures of the broader autism phenotype: Impressions of interviewee measure

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Authors
Pickles, A.
Parr, J.
Rutter, M.
De Jonge, M.
Wallace, S.
Le Couteur, A.
Van Engeland, H.
Wittemeyer, K.
McConachie, H.
Roge, B.
Mantoulan, C.
Pedersen, L.
Isager, T.
Poustka, F.
Bölte, Sven
Bolton, P.
Weisblatt, E.
Green, J.
Papanikolaou, K.
Bailey, A.
Date
2013
Type
Journal Article

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Pickles, A. and Parr, J. and Rutter, M. and De Jonge, M. and Wallace, S. and Le Couteur, A. and Van Engeland, H. et al. 2013. New interview and observation measures of the broader autism phenotype: Impressions of interviewee measure. Journal of Autism and Developmental Disorders. 43 (9): pp. 2082-2089.
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Journal of Autism and Developmental Disorders
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School of Occupational Therapy and Social Work
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Abstract

A 20 item observational measure of social functioning, the Impression of Interviewee rating scale, is one of three measures devised to assess the broader autism phenotype. The sample studied included families containing at least two individuals with autism spectrum disorder; observations were undertaken by the researcher who interviewed the subject. An exploratory factor analysis suggested a single factor was most appropriate (Cronbach's a of 0.78). There was a modest but significant retest correlation of 0.42. Correlations between live ratings and blind consensus ratings of vignettes were high (0.93). Correlations with the interview measures were moderate but statistically significant. In conclusion, the observational scale provides a promising start but further work is required before general use can be recommended. © 2013 Springer Science+Business Media New York.