Methodology and bias in assessing compliance with a surgical safety checklist.
Poon SJ, Zuckerman SL, Mainthia R, et al. Methodology and bias in assessing compliance with a surgical safety checklist. Jt Comm J Qual Patient Saf. 2013;39(2):77-82.
This secret-shopper style observational study found low compliance rates with some elements of the surgical safety time out.