Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Khadka, Jyoti"'
Publikováno v:
Investigative ophthalmologyvisual science. 58(14)
Purpose: The purpose of this study was to assess the psychometric properties of diabetic retinopathy (DR) and diabetic macular edema (DME) quality-of-life (QoL) item banks and determine the utility of the final calibrated item banks by simulating a c
Publikováno v:
Investigative ophthalmologyvisual science. 53(7)
Purpose: To investigate the effect of rating scale designs (question formats and response categories) on item difficulty calibrations and assess the impact that rating scale differences have on overall vision-related activity limitation (VRAL) scores