Reliability and validity of a mobile tablet for assessing left/right judgements
Date
2019
Authors
Williams, L.J.
Braithwaite, F.A.
Leake, H.B.
McDonnell, M.N.
Peto, D.K.
Moseley, G.L.
Hillier, S.L.
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Journal article
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Musculoskeletal Science and Practice, 2019; 40:45-52
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Abstract
Background: Left/right judgement (LRJ) of body parts is commonly used to assess the ability to perform implicit motor imagery and the integrity of brain-grounded maps of the body. Clinically, LRJ are often undertaken using a mobile tablet, but the concurrent validity and reliability of this approach has not yet been established.
Objectives: To evaluate the concurrent validity and test-retest reliability of a mobile tablet for assessing LRJ.
Method: Participants completed LRJ for 50 hand images (Experiment 1), and 40 back, foot, or neck images(Experiment 2) using a mobile tablet and desktop computer in random order. Participants in Experiment 2 performed a repeat test the following day to assess test-retest reliability. Accuracy and response time (RT) were recorded.
Results: Twenty participants aged 55.3 (±6.7) years in Experiment 1, and 37 participants aged 38.2 (±12.3)years in Experiment 2, were recruited. Concurrent validity of the mobile tablet was good to excellent for hand judgements (ICC3,1=0.836 for RT; ICC=0.909 for accuracy), and was good for back, foot, and neck judgements (ICC=0.781 for accuracy; ICC=0.880 for RT). Test-retest reliability of the mobile tablet was good to excellent (ICC=0.824 for accuracy; ICC=0.903 for RT).
Conclusions: The mobile tablet demonstrated good to excellent concurrent validity with the desktop computer in two separate samples. The mobile tablet also demonstrated good to excellent test-retest reliability. The mobile tablet for LRJ is a valid alternative to the original desktop version.
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Copyright 2019 Elsevier