Unformatted text preview: 3. Regression to the mean-Random assignment-Placebo group-same time 4. History-Random assignment 5. Selection bias-Random assignment-Randomized placebo-controlled, double-blind, clinical trial (RCTs)...
View Full Document
This note was uploaded on 12/17/2011 for the course ECON 101 taught by Professor Chapman during the Spring '11 term at Arcadia University.
- Spring '11