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.
professional foul Andrew screaming about professional fouls Kaiser shares Andrew's concern about misleading journal article titles.
Analytics-business interaction More case-counting puzzles Kaiser looks at some details about case counting in vaccine trials.
Cause-effect How definitions drive outcomes Kaiser shows why it's important to define statistical measures carefully before we collect data.