Pragmatic controlled clinical trials in primary care: the struggle between external and internal validity

BACKGROUND: Controlled clinical trials of health care interventions are either explanatory or pragmatic. Explanatory trials test whether an intervention is efficacious; that is, whether it can have a beneficial effect in an ideal situation. Pragmatic trials measure effectiveness; they measure the de...

Celý popis

Uloženo v:
Podrobná bibliografie
Hlavní autoři: Godwin, Marshall, Ruhland, Lucia, Casson, Ian, MacDonald, Susan, Delva, Dianne, Birtwhistle, Richard, Lam, Miu, Seguin, Rachelle
Médium: Artigo
Jazyk:Inglês
Vydáno: BioMed Central 2003
Témata:
Debate
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC317298/
https://ncbi.nlm.nih.gov/pubmed/14690550
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2288-3-28
Tagy: Přidat tag
Žádné tagy, Buďte první, kdo otaguje tento záznam!

Podobné jednotky