Cargando…

Questionnaires in clinical trials: guidelines for optimal design and administration

A good questionnaire design for a clinical trial will minimise bias and maximise precision in the estimates of treatment effect within budget. Attempts to collect more data than will be analysed may risk reducing recruitment (reducing power) and increasing losses to follow-up (possibly introducing b...

Descripción completa

Detalles Bibliográficos
Autor principal: Edwards, Phil
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2823735/
https://www.ncbi.nlm.nih.gov/pubmed/20064225
http://dx.doi.org/10.1186/1745-6215-11-2

Ejemplares similares