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- Validity of Pilot Adult ADHD Self- Report Scale (ASRS) to Rate
Adult ADHD Symptoms
- Lenard A. Adler, Thomas Spencer, Stephen V. Faraone, Ronald C. Kessler, Mary J. Howes, Joseph Biederman, Kristina Secnik
Annals of Clinical Psychiatry,
Volume 18, Issue 3, 01 June 2006, pages 145-148
Background. The goal of this study was to validate the pilot Adult ADHD Self-Report Scale (pilot ASRS) versus standard clinician ratings on the ADHD Rating Scale (ADHD RS).
Method. Sixty adult ADHD patients took the self-administered ADHD RS and then raters administered the standard ADHD RS. Internal consistency of symptom scores was assessed by Cronbach's alpha. Agreement of raters was established by intra-class correlation coefficients (ICCs) between scales.
Results. Internal consistency was high for both patient and rater-administered versions (Cronbach's alpha 0.88, 0.89, respectively). The ICC between scales for total scores was also high (0.84); ICCs for subset symptom scores were also high (both 0.83). There was acceptable agreement for individual items (% agreement: 43%-72%) and significant kappa coefficients for all items (p < 0.001).
Conclusions. The pilot Adult ADHD Self-Report Scale symptom checklist is a reliable and valid scale for evaluating ADHD for adults and shows a high internal consistency and high concurrent validity with the rater-administered ADHD RS.