Relationships between computer-based testing and behavioral ratings in the assessment of attention and activity in a
Bjørn Erik Ramtvedt1, Kjetil Sundet
1a Østfold Hospital Trust , Neuropsychiatric Unit , Fredrikstad , Norway.
Insights
Computer-based tests and teacher ratings similarly assessed stimulant effects on ADHD symptoms at a group level. However, these methods were unrelated for individual children, suggesting they are not interchangeable for evaluating treatment changes.
Area of Science:
- Neuroscience
- Psychiatry
- Pediatrics
Background:
- Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disorder.
- Stimulant medications like methylphenidate and dextroamphetamine are primary treatments for ADHD.
- Accurate assessment of treatment efficacy is crucial for pediatric ADHD management.
Purpose of the Study:
- To investigate the relationship between computer-based testing and behavioral ratings in assessing stimulant effects on attention and activity in children with ADHD.
- To determine if computer-based measures and teacher-rated questionnaires yield comparable results at individual and group levels.
Main Methods:
- A crossover trial involving 36 children (ages 9-14) with ADHD.
- Random assignment to six counterbalanced orders of methylphenidate, dextroamphetamine, and placebo.
- Outcome measures included a computer-based continuous performance test with motion tracking (cb-CPT-MTS) and teacher-rated ADHD questionnaires.
Main Results:
- Both computer-based measures and behavioral ratings showed significant group-level responses to stimulants compared to placebo.
- No significant correlations were found between computer-based and rating-based measures for assessing stimulant-induced changes in individual children.
- The measures demonstrated comparable treatment effects at the group level but lacked individual-level agreement.
Conclusions:
- Computer-based testing and behavioral ratings are not equivalent for assessing stimulant-induced changes in attention and activity in individual children with ADHD.
- While both methods show group-level treatment effects, their lack of individual correlation highlights the need for careful consideration in clinical practice.
- Further research may be needed to understand the discrepancies between objective and subjective measures in ADHD treatment assessment.
Abstract:
This study investigated the relationships between computer-based testing and behavioral ratings in the assessment of stimulant-induced changes in attention and activity in a pediatric ADHD crossover trial with methylphenidate, dextroamphetamine, and a placebo. Here 36 children between 9 and 14 years old were randomly and evenly assigned to each of six counterbalanced drug orders. A computer-based continuous performance test combined with a motion-tracking system (cb-CPT-MTS) and an ADHD questionnaire rated by teachers constituted the outcome measures. All outcome measures responded to stimulants in a comparable way at the group level, as shown by significant treatment effects of similar size for the two stimulants compared with a placebo. Computer-based and rating-based measures were unrelated in the assessment of stimulant-induced changes in attention and activity in individual children; no significant correlations between these measures in the assessment of change from placebo to stimulant conditions across the sample were detected. Results suggest that computer-based testing and behavioral ratings cannot be considered equivalent in the assessment of stimulant-induced changes in attention and activity among ADHD children.
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