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Confirming the Factor Structure of Attention-Deficit/Hyperactivity Disorder Symptoms in College Students Using Student and Parent Data
Briley E. Proctor*
and
Frances Prevatt
* To whom correspondence should be addressed. E-mail: proctor{at}coe.fsu.edu.
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Abstract |
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This study used confirmatory factor analysis to compare one-, two-, and three-factor models ofAttention-Deficit/Hyperactivity Disorder (ADHD) symptoms to determine which model is the best fit for the data. Participants were 190 clinic-referred college students who had been evaluated for ADHD, 155 of whom had received a diagnosis. Data consisted of both self- and other (e.g., parent) ratings of both current and childhood symptoms. Symptoms came directly from the DSM-IV criteria for ADHD. A three-factor model, consistent with the DSM-III, was superior for current and childhood symptoms, regardless of rater (i.e., self or parent). The primary implication for these findings is that there may be a viable Impulsive subtype of ADHD within the adult population. Further research might include a closer examination of the unique functional limitations associated with impulsivity, as well as the development of diagnostic items that maximize model fit.
First published on February 13, 2009, doi:10.1177/0022219408331043
Journal of Learning Disabilities 2009;42:250.
A more recent version of this article appeared on May 1, 2009

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