When will they "personalize" pricing?
A Consumer Reports study reviews how Instacart manipulates prices of groceries
observational study
Running out of matches
On a rule of matching in medical studies
Wishful thinking using statistics
Do observational data really support the theory that weight-loss drugs have caused the average Norwegian to be less obese?
Correlation and causation
Does giving compliments improve team performance?
Other numbers from the colonoscopy trial
Kaiser highlights some other metrics from the colonoscopy study
Why no serious researchers conduct "per protocol" analyses
Or, the importance of random treatment assignment