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The Psychometric Properties for the VISIONS QL Brief
Ali Brian1, Pamela Beach2, Andrea Taliaferro1
1Department of Educational and Developmental Science, College of Education, University of South Carolina, Columbia, SC 29208, USA.
Insights
This study validated the VISIONS Quality of Life (QoL) Brief for U.S. children with visual impairments (VI). The streamlined tool effectively measures QoL, offering a reliable assessment for this population.
Area of Science:
- Pediatric Psychology
- Rehabilitation Science
- Psychometrics
Background:
- Children with visual impairments (VI) exhibit diminished Quality of Life (QoL), increased sedentary behavior, and lower motor competence compared to sighted peers.
- Existing international QoL instruments for children with VI lack validation for U.S. pediatric populations.
- Addressing these disparities is crucial for the health, well-being, and psychosocial development of children with VI.
Purpose of the Study:
- To evaluate the psychometric properties of the VISIONS QL assessment tool for children and youth with VI.
- To reduce items in the VISIONS QL instrument, creating a more streamlined and accessible version.
- To validate the psychometric properties of the VISIONS QL Brief for U.S. pediatric populations.
Main Methods:
- Cross-sectional, descriptive analytic design with convenience sampling.
- Participants included 148 children and youth with VI, aged 9-19 years.
- Principal Components Analysis (PCA) with orthogonal varimax rotation was employed for dimensionality reduction.
Main Results:
- PCA identified three components explaining 46% of the variance: Educational Opportunities (7 items), Social and Familial Implications (8 items), and Communication (5 items).
- The VISIONS QL Brief demonstrated high internal consistency reliability (α = 0.857; Ω = 0.858) and test-retest reliability (ICC = 0.89).
- Strong concurrent validity was found between the original 63-item version and the 20-item brief scale (r = 0.92, p < 0.0001).
Conclusions:
- The findings confirm the multidimensional nature of QoL in children with VI.
- The VISIONS QL Brief is a psychometrically sound instrument for assessing QoL in this population.
- The brief version is particularly useful in settings where time, accessibility, and cognitive load are significant considerations.
Abstract:
Background/Objectives: Children with visual impairments (VI) experience lower Quality of Life (QoL), higher sedentary time, and reduced motor competence as compared to their sighted peers, posing challenges to their health, well-being, and psychosocial development. While several QoL instruments have been developed internationally for children/youth with VI, none have been validated for use with U.S. pediatric populations. The purpose of this study was to evaluate the psychometric properties of the VISIONS QL assessment tool tailored for children/youth with VI, with a primary aim of variable/item reduction to develop a streamlined version of the instrument. Methods: This study featured a cross-sectional, descriptive analytic design with convenience sampling. Participants were children and youth with VI, aged 9-19 years, (N = 148; Boys = 71, Girls = 77; Mage = 14.49, SD = 3.36 years). A principal components analysis (PCA) with orthogonal varimax rotation was conducted to reduce dimensionality and identify components. Results: Results of the PCA yielded three components explaining 46% of the variance: Educational Opportunities = 7 items; Social and Familial Implications = 8 items; Communication = 5 items. Overall, the VISIONS QL Brief had a high level of internal consistency reliability (α = 0.857; Ω = 0.858) and test-retest reliability (ICC = 0.89, 95% CI = 0.84-0.92). The original 63-item version showed concurrent validity with the 20-item brief scale (r = 0.92, p < 0.0001). Conclusions: Findings affirm the multidimensional nature of QoL and support the usage of the VISIONS QL Brief and its utility in settings where time, accessibility, and cognitive load are critical considerations.
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