Choosing questions that people can understand and answer.
Lessler
J T
JT
Battelle Centers for Public Health Research and Evaluation, Durham, NC 27713-4411, USA.
D006304:Health Status; D006801:Humans; D008960:Models, Psychological; D017063:Outcome Assessment, Health Care; D015203:Reproducibility of Results; D012107:Research Design; D011795:Surveys and Questionnaires