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Is shorter always better? Relative importance of questionnaire length and cognitive ease on response rates and data quality for two dietary questionnaires.
Subar AF, Ziegler RG, Thompson FE, Johnson CC, Weissfeld JL, Reding D, Kavounis KH, Hayes RB; Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial Investigators. Subar AF, et al. Among authors: thompson fe. Am J Epidemiol. 2001 Feb 15;153(4):404-9. doi: 10.1093/aje/153.4.404. Am J Epidemiol. 2001. PMID: 11207159 Clinical Trial.
115 results