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New Interview and Observation Measures of the Broader Autism Phenotype: Impressions of Interviewee Measure

Lookup NU author(s): Professor Jeremy Parr, Professor Ann Le Couteur, Emerita Professor Helen McConachie


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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.

Publication metadata

Author(s): Pickles A, Parr JR, Rutter ML, De Jonge MV, Wallace S, Le Couteur AS, van Engeland H, Wittemeyer K, McConachie H, Roge B, Mantoulan C, Pedersen L, Isager T, Poustka F, Bolte P, Bolton P, Weisblatt E, Green J, Papanikolauo K, Bailey AJ

Publication type: Article

Publication status: Published

Journal: Journal of Autism and Developmental Disorders

Year: 2013

Volume: 43

Issue: 9

Pages: 2082-2089

Print publication date: 03/04/2013

ISSN (print): 0162-3257

ISSN (electronic): 1573-3432

Publisher: Springer US


DOI: 10.1007/s10803-013-1810-2

Notes: Pickles, Parr and Rutter contributed equally to this study - listed as such in the paper Parr made a substantial contribution: to the conception and design of the study; to the organisation of the conduct of the study; to carrying out the study (including acquisition of study data); to analysis and interpretation of study data. Parr helped draft the output; critiqued the output for important intellectual content


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