Validation of the first quality-of-life measurement for patients with Huntingtons disease: the Huntington Quality of Life Instrument
International Clinical Psychopharmacology, 06/08/2012
Clay E et al. – Factor analyses demonstrated satisfactory construct validity. Moreover, the item internal consistency and item discriminant validity criteria were fulfilled. No differential item functioning was detected. External validity supported the scale’s robustness. These data support the validity of the Huntington Quality of Life Instrument in patients with Huntington’s disease.