Felix LM

ORCID: 0000-0001-6517-9089 · 1 paper in corpus

2009

Methods to increase response to postal and electronic questionnaires.

The Cochrane database of systematic reviews ·doi:10.1002/14651858.mr000008.pub4

BackgroundPostal and electronic questionnaires are widely used for data collection in epidemiological studies but non-response reduces the effective sample size and can introduce bias. Finding ways to increase response to postal and electro…