Results 261 to 270 of about 5,043,441 (270)
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Sample size for pre-tests of questionnaires
Quality of Life Research, 2014T. Perneger +3 more
semanticscholar +1 more source
Food frequency questionnaires.
Nutrición Hospitalaria, 2015C. Pérez Rodrigo +3 more
semanticscholar +1 more source
Fuzzy Rating Scale-Based Questionnaires and Their Statistical Analysis
IEEE transactions on fuzzy systems, 2015S. D. L. R. D. Sáa +4 more
semanticscholar +1 more source
Standardized respiratory questionnaires: comparison of the old with the new.
American Review of Respiratory Disease, 2015G. Comstock +3 more
semanticscholar +1 more source

