External validity is also an ethical consideration in cluster-randomised trials of policy changes

BMJ Qual Saf. 2019 Feb;28(2):167. doi: 10.1136/bmjqs-2018-008777. Epub 2018 Oct 12.

Authors

Karl Y Bilimoria¹, Jeanette W Chung², Larry V Hedges³

Affiliations

¹ Department of Surgery, Feinberg School of Medicine, Surgical Outcomes and Quality Improvement Center, Northwestern University, Chicago, Illinois, USA k-bilimoria@northwestern.edu.
² Department of Surgery, Feinberg School of Medicine, Surgical Outcomes and Quality Improvement Center, Northwestern University, Chicago, Illinois, USA.
³ Department of Statistics, Northwestern University, Chicago, Illinois, USA.

PMID: 30314975
DOI: 10.1136/bmjqs-2018-008777

No abstract available

Keywords: accreditation; anaesthesia; attitudes.

Publication types

Letter
Comment

MeSH terms

Policy*
Research Design*