Reliability and Measurement Error of the Qualitative Analysis of Single Leg Loading (QASLS) Tool For Unilateral Tasks by Gemma N Parry, Lee C Herrington, Allan G Munro

“…Tasks were scored with the QASLS tool via video playback. Intra-Class correlation coefficients (ICC~k,3~) were used to measure within and between session reliability, and Kappa coefficients and percentage of exact agreement (PEA%) were used to determine intra and inter-rater reliability. …”
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