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Teaching EpidemiologyA guide for teachers in epidemiology, public health and clinical medicine$
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Jørn Olsen, Naomi Greene, Rodolfo Saracci, and Dimitrios Trichopoulos

Print publication date: 2015

Print ISBN-13: 9780199685004

Published to Oxford Scholarship Online: June 2015

DOI: 10.1093/acprof:oso/9780199685004.001.0001

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Questionnaires in epidemiology

Questionnaires in epidemiology

(p.85) Chapter 6 Questionnaires in epidemiology
Teaching Epidemiology

Jakob Bue Bjørner

Oxford University Press

Epidemiology uses questionnaires extensively for collecting information on exposures, outcomes, modifiers, mediators, and confounders. To achieve valid results, researchers need to use simple, unambiguous questions that enable respondents to retrieve the relevant information and provide accurate answers. The chapter reviews properties of good questionnaires, questionnaire design, sources for standard questionnaires, cognitive and linguistic research on questionnaires, issues in pilot testing, methods of questionnaire administration, data collection and processing, cross-cultural issues, and psychometric concepts. The chapter provides sources of standard questionnaires but also describes the basic steps to be taken in questionnaire development: specifying a variable list, writing questions, designing response choices, and planning the coding of answers. The chapter stresses the importance of pilot testing and discusses methods to conduct pilot testing. Finally, cross-cultural issues in questionnaire research are introduced and basic concepts related to reliability and validity of questionnaire data are discussed.

Keywords:   questionnaires, validity, reliability, epidemiology, pilot testing

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