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Establishing thresholds for meaningful within-individual change using longitudinal item response theory.

Jakob Bue BjornerBerend TerluinAndrew TriggJinxiang HuKeri J S BradyPip Griffiths
Published in: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2022)
Results from traditional analyses of anchor-based MWIC are impacted by study conditions. LIRT constitutes a promising and more robust analytic approach to identifying thresholds for MWIC.
Keyphrases
  • cross sectional
  • psychometric properties