a/b testing Why no serious researchers conduct "per protocol" analyses Or, the importance of random treatment assignment
observational studies All evidence are not created equal and some evidence are more equal than others Kaiser considers the controversy over the recent colonoscopy trial results.
Analytics-business interaction Know your data 34: coming for your most private data Kaiser reacts to news that hospital websites push personal health data to Facebook.
Aggregation The role of prior infection in the vaccine trials Kaiser reviews a finding from the J&J vaccine trial about immunity from infection.