Assessing the reliability of the Laban Movement Analysis system
Ulysses Bernardet1, Sarah Fdili Alaoui2, Karen Studd3
1School of Engineering and Applied Science, Aston University, Birmingham, United Kingdom.
Plos One
|June 14, 2019
Summary
This study formalizes the Laban Movement Analysis (LMA) system and assesses its reliability. Results show LMA reliability ranges from weak to acceptable, offering insights into movement analysis and assessment procedures.
Area of Science:
- Movement Science
- Human-Computer Interaction
- Psychometrics
Background:
- The Laban Movement Analysis (LMA) system is a widely used framework for describing human movement.
- Assessing the reliability of LMA is crucial for its consistent application in research and practice.
Purpose of the Study:
- To empirically analyze the reliability of the Laban Movement Analysis system.
- To develop a formal representation and a custom tool for LMA annotation and reliability assessment.
Main Methods:
- Developed a directed graph-based formalization of LMA.
- Implemented a custom video annotation tool for stimulus presentation and annotation.
- Conducted an experimental reliability assessment with Certified Movement Analysts (CMAs) using video stimuli.
- Quantified reliability using Krippendorff's α.
Main Results:
- LMA reliability, depending on integration of two annotation rounds, ranges from weak to acceptable.
- Analysis of viewing behavior revealed no simple relationship between viewing patterns and individual performance.
- Identified strengths and weaknesses of the LMA system and its assessment procedure.
Conclusions:
- The study advances formalization and reliability measurement for LMA.
- Provides empirical evidence on the reliability of LMA, informing its application.
- Offers insights into the LMA assessment process itself.
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