Does attention-deficit/hyperactivity disorder have a dimensional latent structure? A taxometric analysis.
- 1 May 2011
- journal article
- Published by American Psychological Association (APA) in Journal of Abnormal Psychology
- Vol. 120 (2), 427-442
- https://doi.org/10.1037/a0021405
Abstract
An understanding of the latent structure of attention-deficit/hyperactivity disorder (ADHD) is essential for developing causal models of this disorder. Although some researchers have presumed that ADHD is dimensional and others have assumed that it is taxonic, there has been relatively little research directly examining the latent structure of ADHD. The authors conducted a set of taxometric analyses using data from the NICHD Study of Early Child Care and Youth Development (ns between 667 and 1,078). The results revealed a dimensional latent structure across a variety of different analyses and sets of indicators for inattention, hyperactivity/impulsivity, and ADHD. Furthermore, analyses of correlations with associated features indicated that dimensional models demonstrated stronger validity coefficients with these criterion measures than dichotomous models. These findings jibe with recent research on the genetic basis of ADHD and with contemporary models of ADHD.Keywords
Funding Information
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (1R03HD054667-01A1)
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