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Psychol Assess. 2002 Dec;14(4):379-89.

Concordance of self- and informant ratings of adults' current and childhood attention-deficit/hyperactivity disorder symptoms.

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  • 1Department of Psychology, Georgia State University, MSC 2A1155, 33 Gilmer Street SE Unit 2, Atlanta, Georgia 30303-3082, USA.


Self-informant rating concordance for attention-deficit/hyperactivity disorder (ADHD) symptoms was assessed in 281 adults at the subscale (Inattention, Hyperactivity-Impulsivity) and individual symptom levels. Potential demographic, diagnostic, and informant identity moderators were also investigated. Concordance levels were similar for current and childhood symptoms. Although moderate positive correlations were found between self- and informant ratings on both subscales, informants endorsed more significant inattentive symptom severity. Kappa coefficients were variable, suggesting low concordance for certain symptoms. Sex and ADHD diagnosis moderated concordance, although effect sizes were small. These results have implications for the use of behavior rating scales in diagnosing ADHD, raise questions about the validity of self- and informant ratings, and support the need to investigate individual-differences variables that may impact concordance.

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