Researchers estimated the prevalence of pertussis infection in school age children after implementation of the preschool pertussis booster vaccination in the UK in October 2001. A prospective cohort ...

Objectives To perform a systematic review of the frequency of (preventable) adverse events (AE/PAE) and to analyse contributing factors, such as sample size, settings, type of events, terminology, ...

Data sources 93 meta-analyses (735 randomised controlled trials) assessing therapeutic interventions with binary outcomes, published in the 10 leading journals of each medical subject category of the ...

Usability testing is recommended for improving interactive design, but discovery of usability problems depends on the number of users tested. For estimating required sample size, usability researchers ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Erika Rasure is globally-recognized as a leading consumer economics ...

Your codespace will open once ready. There was a problem preparing your codespace, please try again. This repository is a companion to the Fall 2022 QMSS capstone course at Columbia University, in ...