TY  - BOOK
AU  - Keppel,Geoffrey
TI  - Design and analysis: a researcher's handbook 
SN  - 013200030X
PY  - 1973///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Social sciences
KW  - Statistical methods
KW  - Factorial experiment designs
KW  - Research
N1  - Bibliography : p. 645-649
ER  -