AI Article Synopsis
- The study aimed to evaluate the Assisting Hand Assessment (AHA) for children with brachial plexus birth injury and determine its internal scale validity for this specific group.
- The researchers analyzed data from 105 participants aged between 18 months to 18 years, finding that the scale's 20 items were reliable and could be effectively reduced to 15 items without compromising quality.
- The revised assessment, dubbed AHA-Plex, exhibited strong internal validity and provided a unique item difficulty hierarchy tailored for individuals with this condition.
Article Abstract
Objective: Functional assessments that focus on activity performance and that produce valid outcome measures for people with brachial plexus birth injury are lacking. The primary aim of this study was to re-evaluate the internal scale validity of the Assisting Hand Assessment specifically for children and adolescents with brachial plexus birth injury. Two further aims were investigating whether the scale could be shortened for this group while maintaining psychometric quality, and exploring and presenting its item difficulty hierarchy.
Design: A cross-sectional psychometric study.
Subjects: A convenience sample of 105 children and adolescents (aged 18 months to 18 years, mean 6 years, 7 months, standard deviation (SD) 4 years, 4 months) from Sweden, Norway, and the Netherlands with brachial plexus birth injury.
Methods: Participants were assessed with the Assisting Hand Assessment. Data were analysed with Rasch measurement analysis.
Results: The 20 Assisting Hand Assessment items together measured a unidimensional construct with high reliability (0.97) and the 4-level rating scale functioned well. Item reduction resulted in 15 items with good item fit, unidimensionality, reliability and acceptable targeting.
Conclusion: Assisting Hand Assessment for people with brachial plexus birth injury, called AHA-Plex, has 15 items and good internal scale validity. A unique item hierarchy for people with brachial plexus birth injury is presented.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10543820 | PMC |
| http://dx.doi.org/10.2340/jrm.v55.15325 | DOI Listing |
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