TY  - BOOK
AU  - Shadish,William R.
AU  - Cook,Thomas D.
AU  - Campbell,Donald T.
TI  - Experimental and quasi-experimental designs for generalized causal inference
SN  - 9780395615560
AV  - BD591 .S48 2002
PY  - 2002///]
CY  - Belmont, CA
PB  - Wadsworth, Cengage Learning
KW  - Causation
KW  - Experiments
N1  - Includes bibliographical references (pages 514-591) and index (pages 593-623)
ER  -