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Article

Is shorter always better ? Relative importance of questionnaire length and cognitive ease on response rates and data quality for two dietary questionnaires.

Amy-F SUBAR ; Richard-B HAYES ; Christine-Cole JOHNSON ; Katherine-H KAVOUNIS ; Douglas REDING ; Frances-E THOMPSON ; Joel-L WEISSFELD ; Regina-G ZIEGLER ; Ovarian Cancer Screening Trial Investigators. INC ; Risk Factor Monitoring and Methods Branch. Division of Cancer Control and Population Sciences. National Cancer Institute. Bethesda. MD. USA |

Dans American journal of epidemiology (vol. 153, n° 4, 2001)

[BDSP. Notice produite par INIST kmO03R0x. Diffusion soumise à autorisation]. In this study, the authors sought to determine the effects of length and clarity on response rates and data quality for two food frequency questionnaires (FFQs) : the [...]

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