Volume 3 • Issue 2 • 2012
Front Matter
Articles
A Case Study About Why It Can Be Difficult To Test Whether Propensity Score Analysis Works in Field Experiments
- William R. Shadish
- Peter M. Steiner
- Thomas D. Cook
Volume 3 • Issue 2 • 2012 • 1-12
Volume 3 • Issue 2 • 2012 • 1-12