Does advance contact with research participants increase response to questionnaires: an updated systematic review and meta-analysis

Abstract Background Questionnaires remain one of the most common forms of data collection in epidemiology, psychology and other human-sciences. However, results can be badly affected by non-response. One way to potentially reduce non-response is by sending potential study participants advance commun...

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Bibliographic Details
Main Authors: Benjamin Woolf, Phil Edwards
Format: Article
Language:English
Published: BMC 2021-11-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:https://doi.org/10.1186/s12874-021-01435-2