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Abstract

Purpose: To investigate the reliability and validity of 2 aquatic functional assessment tests (Water Orientation Test of Alyn 1 and 2: WOTA1, WOTA2) for evaluating adjustment and functional ability in the aquatic environment based on the Halliwick concept. Methods: Thirty-two children with disabilities participated in the reliability study. Thirty-three other children participated in the validity study, which tested the correlations between the WOTA total score and motor performance on land. Results: Test-retest reliability for total score was found to be excellent for both WOTA1 (ICC = .97) and WOTA2 (ICC = 0.93, 0.97). The reliability for most of the individual item scores was fair to good (kappa > 0.4). A positive moderately significant association was found between the WOTA total score and motor performance on land. Conclusion: Both assessments appear to be reliable and valid instruments for assessing mental adjustment and aquatic function in children with disabilities.

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