Mokkink, Lidwine B.; Boers, Maarten; van der Vleuten, C.P.M.; Bouter, Lex M.; Alonso Caballero, Jordi; Patrick, Donald L.; De Vet, Henrica C. W.; Terwee, Caroline B.
(BioMed Central, 2020)
Background: Scores on an outcome measurement instrument depend on the type and settings of the instrument used, how instructions are given to patients, how professionals administer and score the instrument, etc. The impact ...