Abstract
Objective: The purpose of this research was to evaluate the reliability and discriminant validity of a behavioral task of impulsivity, the delay-discounting task. Method: Young adults were asked to report ADHD diagnostic status and to complete the delay-discounting task. The internal consistency of the task was determined, task performances of individuals with and without self-reported ADHD were compared, and the ability of this task to discriminate between participants with and without self-reported ADHD was assessed. Results: The delay-discounting task showed very good to excellent internal consistency. Furthermore, participants with self-reported ADHD responded to the task in a more impulsive manner than did non-ADHD participants. Finally, moderate discriminant validity for detecting self-reported ADHD using this task was found. Conclusion: Findings showed that the delay-discounting task is a promising task for both clinical research and practice as it has strong reliability overall and has moderate discriminant ability for self-reported ADHD in young adults. (J. of Att. Dis. 2011; 15(5) 412-422).
Original language | English (US) |
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Pages (from-to) | 412-422 |
Number of pages | 11 |
Journal | Journal of Attention Disorders |
Volume | 15 |
Issue number | 5 |
DOIs | |
State | Published - Jul 2011 |
Externally published | Yes |
Keywords
- ADHD
- adults
- delay-discounting task
- impulsivity
- inhibition
ASJC Scopus subject areas
- Developmental and Educational Psychology
- Clinical Psychology