Estimating Causal Effects of Treatments in Randomized and Nonrandomized Studies
- Author(s):
- Rubin, Donald B.
- Publication Year:
- 1974
- Source:
- Journal of Educational Psychology, v66 n5 p688-701, 1974
- Document Type:
- Article
- Page Count:
- 14
- Subject/Key Words:
- Control Groups, Experimental Groups, Research Methodology, Statistical Analysis