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The ADHD checklist was developed by DuPaul (1990), by taking the 14 items listed as criteria for ADHD in the DSMIII-R and placing them into a checklist format. Based upon analyses from this sample, the investigators suggested that four scores could be computed: 1) number of symptoms present, 2) total score, 3) inattentive-hyperactive and, 4) impulsive-hyperactive.
The ADHD Checklist is composed of 14 items used to evaluate the occurrence of ADHD symptoms in children. These items are listed as the criteria for ADHD in the DSMIII-R and have been placed into a checklist format (DuPaul, 1990). The same checklist can be used for both parents and teachers (see separate detailed technical reports).
The 14 items evaluate a child's behavior and the likelihood of the child having ADHD. Each item is scored on a response scale of 0 to 3, where 0=not at all, 1=just a little, 2=pretty much, and 3=very much.
There are three derived scores and two diagnostic categorizations for this measure. All of these subscales are summary scores that are based on factor analysis or theoretically derived. The first scale measures Inattention. The second scale measures Impulsivity. The last scale measures the Number of Symptoms Present and includes all of the items. Adding the number of items rated as 2 or higher scores this scale. A score of 8 or more exceeds the DSMIII-R cutoff for a diagnosis of ADHD. Respondents with a total score at or above the clinical cutoff receive a "1" to indicate a diagnosis of ADHD. A "0" indicates that the respondent was not diagnosed with ADHD.
Analysts should note that three of the subscales showed a fairly normal distribution for both the normative and control samples. These subscales were Inattention, Impulsivity, and Total of all the items. The normative sample was positively skewed for the Number of Symptoms Present, but the control sample was normally distributed.
The normative sample for Number of Symptoms Present showed a floor effect with 83% of the responses to be between 0.0 and 3.0. The highest possible score for this scale was 14.0.
Raw Dataset Name:Scored Dataset Name:
Attention Deficit, Hyperactivity, Behavior Disorders, Disruptive Behavior, Learning Disabilities