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Item Response Theory Analyses of Parent and Teacher Ratings of the ADHD Symptoms for Recoded Dichotomous Scores


Gomez, R and Vance, A and Gomez, A, Item Response Theory Analyses of Parent and Teacher Ratings of the ADHD Symptoms for Recoded Dichotomous Scores, Journal of Attention Disorders, 15, (4) pp. 269-285. ISSN 1087-0547 (2011) [Refereed Article]

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Copyright © 2011 by SAGE Publications

DOI: doi:10.1177/1087054709356404


Objective: The two-parameter logistic model (2PLM) was used to evaluate the psychometric properties of the inattention (IA) and hyperactivity/impulsivity (HI) symptoms. Method: To accomplish this, parents and teachers completed the Disruptive Behavior Rating Scale (DBRS) for a group of 934 primary school-aged children. Results: The results for the discrimination parameters showed that all the IA and HI symptoms for both groups of respondents were generally good for discriminating those with and without IA and HI, respectively. For virtually all symptoms, their threshold values showed endorsement of the symptoms when the underlying trait levels were at least 1 to 1.5 SD above the mean. The item information function values for most symptoms indicated reasonable reliability from around the mean trait levels to moderately high trait levels. Conclusion: These findings indicate good discrimination and reliability for parent and teacher ratings of the DBRS for identifying children with relatively high levels of the ADHD symptoms.

Item Details

Item Type:Refereed Article
Keywords:ADHD rating scales, parent and teacher ratings, item response theory, 2PLM
Research Division:Psychology
Research Group:Clinical and health psychology
Research Field:Health psychology
Objective Division:Health
Objective Group:Public health (excl. specific population health)
Objective Field:Mental health
UTAS Author:Gomez, R (Professor Rapson Gomez)
ID Code:71817
Year Published:2011
Web of Science® Times Cited:14
Deposited By:Psychology
Deposited On:2011-08-09
Last Modified:2015-01-27

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