Doris Zjalic, Alessio Perilli, Lorenza Nachira, Gaia Surya Lombardi, Chiara Cadeddu
PERSIST: a pre-post study to assess an educational methodology to enhance youth climate literacy and systems thinking ability
The Lancet. Planetary health
study investigated armath subscale measurement properties based item response theory using rasch model patients upper limb hemiplegia resulting cerebrovascular brain disorders asked complete armath questionnaire rasch analysis performed test well armath passive active function subscales fit rasch model investigating unidimensionality response category functioning reliability person item differential item functioning dif age sex education participants stroke acquired brain injury n 185 majority men 126 681 mean age 55 sd 22 patients 91 492 graduated elementaryprimary school armath passive function scale items acceptable fit statistics scales unidimensionality local independence supported reliability acceptable disordered threshold found five items none indicated dif armath active function scale one item misfit three locally dependent reliability good items showed dif items disordered thresholds data fitted rasch model better rescoring subscales armath fitted rasch model valid reliable disordered thresholds investigated