TY - BOOK AU - Campbell,Donald T AU - Stanley,Julian C AU - Gage,N.L. TI - Experimental and quasi-experimental designs for research SN - 9780395307878 AV - Q175 .C23 U1 - 300.72 22 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 -