TY  - BOOK
AU  - Campbell,Donald Thomas
AU  - Stanley,Julian C.
AU  - Gage,N.L.
TI  - Experimental and quasi-experimental designs for research
PY  - 1963///
CY  - Chicago
PB  - Rand McNally
KW  - Experimental design
N1  - 'Originally appeared in N. L. Gage (editor), Handbook of research on teaching'; Includes bibliographies
ER  -