Definition
A questionnaire is considered to be the written document used to obtain information from respondents. It consists of a predetermined set of questions used to collect data (clinical data, social status, etc.). There are two main types of questionnaires: structured (closed-ended, standardized, formal) and unstructured (unstandardized, informal). Closed-ended questions will refer to those in which all possible answers to a given question are listed on the questionnaire, whereas the term open-ended will apply to questions in which the possible answers are not listed in advance. The three common ways of obtaining information are: by sending a questionnaire by mail to individual to fill out and return, by having an interview by phone or in person. Sometimes combinations of these methods are used.
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© 2008 Springer-Verlag
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(2008). Questionnaire . In: Kirch, W. (eds) Encyclopedia of Public Health. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-5614-7_2900
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DOI: https://doi.org/10.1007/978-1-4020-5614-7_2900
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-5613-0
Online ISBN: 978-1-4020-5614-7
eBook Packages: MedicineReference Module Medicine