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Does pre-notification increase questionnaire response rates: a randomised controlled trial nested within a systematic review
BACKGROUND: Missing outcome data can lead to bias in the results of systematic reviews. One way to address missing outcome data is by requesting the data from the trial authors, but non-response is common. One way to potentially improve response rates is by sending study participants advance communi...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8627620/ https://www.ncbi.nlm.nih.gov/pubmed/34837937 http://dx.doi.org/10.1186/s12874-021-01462-z |