Real and Artificial Differential Item Functioning in Polytomous Items - David Andrich, Curt Hagquist, 2015
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Psychometric Properties of Brief-Balance Evaluation Systems Test Among Multiple Populations: A Systematic Review and Meta-analysis - Archives of Physical Medicine and Rehabilitation
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Unified Balance Scale: an activity-based, bed to community, and aetiology-independent measure of balance calibrated with Rasch analysis.