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The reliability of card-based and tablet-based left/right judgment measurements
Kory J Zimney1, Craig A Wassinger2, James Goranson1
1University of South Dakota, 414 East Clark Street, Vermillion, SD 57069, USA.
Musculoskeletal Science & Practice
|September 20, 2017
Summary
This study assessed the reliability of left/right judgment (LRJ) using card-based and tablet-based methods. Reaction time showed good reliability, while accuracy had moderate reliability across both assessment types.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Medical Diagnostics
Background:
- Left/right judgment (LRJ) is a key indicator for assessing cortical body map function and treatment efficacy.
- Limited research exists on the reliability of different LRJ measurement techniques.
Purpose of the Study:
- To evaluate the measurement reliability of LRJ using card-based (CB) and tablet-based (TB) methods.
- To establish the minimal detectable difference (MDD) for accuracy and reaction time in both LRJ assessment formats.
Main Methods:
- Fifty participants completed LRJ assessments over two days using both CB and TB formats.
- Each format involved two trial periods with 40 standardized images of hands in an upright position.
Main Results:
- Intraclass correlation coefficients (ICC) for reaction time exceeded 0.84 for both methods, indicating good reliability.
- MDD for reaction time ranged from 0.19 to 0.49 seconds.
- Accuracy reliability (ICC) was moderate (>0.51), with MDD between 5% and 14% across methods.
Conclusions:
- LRJ measurement via CB and TB formats demonstrates good reliability for reaction time.
- Accuracy reliability is moderate and varies between the card-based and tablet-based assessments.
- Findings provide insights into the reliability of LRJ testing for clinical and research applications.
