
Item response theory detects differential item functioning between healthy and ill children in QoL measures
Author(s) -
Michelle M. Langer,
Cheryl D. Hill,
David Thissen,
Tasha M. Burwinkle,
James W. Varni,
Darren A. DeWalt
Publication year - 2007
Publication title -
carolina digital repository (university of north carolina at chapel hill)
Language(s) - English
DOI - 10.17615/4ky4-6d40
Subject(s) - differential item functioning , item response theory , differential (mechanical device) , psychology , clinical psychology , developmental psychology , cognitive psychology , psychometrics , physics , thermodynamics