TY - BOOK AU - Keppel, Geoffrey. TI - Design and analysis: a researcher's handbook SN - 0132007754 U1 - MISR 300.724 KEP PY - 1991/// CY - Upper Saddle River, NJ PB - Prentice-Hall KW - Social sciences KW - Statistical methods KW - Factorial experiment designs KW - Research N1 - Includes bibliographical references ER -