Transcription of Surveys and Questionnaires
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Surveys and Questionnaires
Surveys and Questionnaires Authors Nigel Mathers Nick Fox Amanda Hunn The NIHR Research Design Service for Yorkshire & the Humber The NIHR RDS for the East Midlands / Yorkshire & the Humber 2009 2 Surveys AND Questionnaires This Resource Pack is one of a series produced by The NIHR RDS for the East Midlands / The NIHR RDS for Yorkshire and the Humber. This series has been funded by The NIHR RDS EM / YH. This Resource Pack may be freely photocopied and distributed for the benefit of researchers. However it is the copyright of The NIHR RDS EM / YH and the authors and as such, no part of the content may be altered without the prior permission in writing, of the Copyright owner. Reference as: Mathers N, Fox N. and Hunn A.
differences between groups in a survey. Confounding variables can also be controlled for in the data analysis. 2.1 What are the advantages of using a survey? • Surveys have internal and external validity - A survey which is based on some form of random sampling technique will produce a sample which is representative of the particular population
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