Christina K Zigler, Li Lin, Molly McFatrich, Nicole Lucas, Kelly L Gordon, Harrison N Jones, Allyson Berent, Jennifer Panagoulias, Paula Evans, Bryce B Reeve
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Validation of the Observer-Reported Communication Ability (ORCA) Measure for Individuals With Angelman Syndrome.
There is a critical need for high-quality clinical outcome assessments to capture the important aspects of communication ability of individuals with Angelman syndrome (AS). To center the perspective of caregivers, our team developed the novel Observer-Reported Communication Ability (ORCA) measure using best practice guidelines, with the goal of developing a measure that could be administered to caregivers directly without the need for a certified administrator for use in clinical trials. To refine the draft measure, we conducted two rounds of cognitive interviews with 24 caregivers and a quantitative study including 249 caregivers. The results from both studies support the overall content validity, construct validity, and the reliability of the ORCA measure for individuals with AS > 2 years old for use in research contexts. Future work should explore the responsiveness of ORCA measures to changes over time in a diverse sample.
期刊介绍:
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.