title: ADHD bifactor model based on parent and teacher ratings of Malaysian children.
abstract: BACKGROUND
  The study used confirmatory factor analysis to ascertain support for the bifactor model of the Attention Deficit/Hyperactivity Disorder (ADHD) symptoms, based on parent and teacher ratings for a group of Malaysian children.
  
  
  METHODS
  Malaysian parents and teachers completed ratings of ADHD and Opposition Defiant Disorder (ODD) symptoms for 934 children.
  
  
  RESULTS
  For both sets of ratings, the findings indicating good fit for the bifactor model, and the factors in this model showed differential associations with ODD, thereby supporting the internal and external validity of this model.
  
  
  CONCLUSIONS
  The theoretical and clinical implications of the findings are discussed.
authors.affiliation: University of Ballarat, Australia. Electronic address: rapson.gomez@ballarat.edu.au.
authors.forename: Rapson
authors.initials: R
authors.lastname: Gomez
mesh_terms: D001289:Attention Deficit Disorder with Hyperactivity / Q000175:diagnosis*; D002648:Child; D005163:Factor Analysis, Statistical; D005178:Faculty; D005260:Female; D006801:Humans; D008296:Malaysia; D008297:Male; D008960:Models, Psychological; D010290:Parents; D011594:Psychometrics; D011795:Surveys and Questionnaires
keywords: ADHD; Bifactor model; Malaysian children; Parent ratings; Teacher ratings