title: New interview and observation measures of the broader autism phenotype: impressions of interviewee measure.
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.
authors.affiliation: Department of Biostatistics, Institute of Psychiatry, King's College London, London, UK. andrew.pickles@kcl.ac.uk
authors.forename: A
authors.initials: A
authors.lastname: Pickles
authors.forename: J R
authors.initials: JR
authors.lastname: Parr
authors.forename: M L
authors.initials: ML
authors.lastname: Rutter
authors.forename: M V
authors.initials: MV
authors.lastname: De Jonge
authors.forename: S
authors.initials: S
authors.lastname: Wallace
authors.forename: A S
authors.initials: AS
authors.lastname: Le Couteur
authors.forename: H
authors.initials: H
authors.lastname: van Engeland
authors.forename: K
authors.initials: K
authors.lastname: Wittemeyer
authors.forename: H
authors.initials: H
authors.lastname: McConachie
authors.forename: B
authors.initials: B
authors.lastname: Roge
authors.forename: C
authors.initials: C
authors.lastname: Mantoulan
authors.forename: L
authors.initials: L
authors.lastname: Pedersen
authors.forename: T
authors.initials: T
authors.lastname: Isager
authors.forename: F
authors.initials: F
authors.lastname: Poustka
authors.forename: S
authors.initials: S
authors.lastname: Bolte
authors.forename: P
authors.initials: P
authors.lastname: Bolton
authors.forename: E
authors.initials: E
authors.lastname: Weisblatt
authors.forename: J
authors.initials: J
authors.lastname: Green
authors.forename: K
authors.initials: K
authors.lastname: Papanikolaou
authors.forename: A J
authors.initials: AJ
authors.lastname: Bailey
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002659:Child Development Disorders, Pervasive / Q000175:diagnosis*; D005190:Family; D005260:Female; D006801:Humans; D007406:Interview, Psychological; D008297:Male; D008875:Middle Aged; D010641:Phenotype; D015203:Reproducibility of Results; D012917:Social Adjustment; D012919:Social Behavior; D011795:Surveys and Questionnaires
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