Assessing the Content Validity of the Investigator-Rated ADHD Rating Scale Version IV Instrument Inattention Subscale for Use in Adults With Phenylketonuria

Content validity of the 18-item Investigator-Rated Attention-Deficit Hyperactivity Disorder (ADHD) Rating Scale IV (I-ADHD RS-IV) with adult prompts was investigated using qualitative interviews of US clinicians who had prior experience rating adults with phenylketonuria (PKU) using the I-ADHD RS-IV...

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Main Authors: Kathleen W. Wyrwich PhD, Katharine S. Gries PhD, Gemma Al-Jassar BSc, MSc, Elizabeth D. Bacci PhD, Yinpu Chen PhD, Rishabh Jain MS, Laurel Konkol MS, Markus J. Merilainen MD, Haoling H. Weng MD
Format: Article
Language:English
Published: SciELO 2016-09-01
Series:Journal of Inborn Errors of Metabolism and Screening
Online Access:https://doi.org/10.1177/2326409816669374