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

A. Pickles, J. R. Parr, M. L. Rutter, M. V. De Jonge, S. Wallace, A. S. Le Couteur, H. Van Engeland, K. Wittemeyer, H. McConachie, B. Roge, C. Mantoulan, L. Pedersen, T. Isager, F. Poustka, S. Bolte, P. Bolton, E. Weisblatt, J. Green, K. Papanikolaou, A. J. Bailey

    Research output: Contribution to journalArticlepeer-review

    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 α 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.
    Original languageEnglish
    Pages (from-to)2082-2089
    Number of pages7
    JournalJournal of Autism and Developmental Disorders
    Volume43
    Issue number9
    DOIs
    Publication statusPublished - Sept 2013

    Keywords

    • Broader autism phenotype
    • Factor analysis
    • Observer rating
    • Social functioning
    • Test-retest

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