Ceiling effect reduces the validity of the Diabetes Treatment Satisfaction Questionnaire.
Pouwer
F
F
Snoek
F J
FJ
Heine
R J
RJ
D015982:Bias; D003920:Diabetes Mellitus / Q000523:psychology* / Q000628:therapy*; D006801:Humans; D017060:Patient Satisfaction; D011795:Surveys and Questionnaires