TY - BOOK AU - Nation,Jack R. TI - Research methods SN - 0023861320 AV - BF76.5 .N27 1997 U1 - 150/.72 20 PY - 1997/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Psychology KW - Research KW - Methodology KW - Psychology, Experimental N1 - Includes bibliographical references (p. 387-399) and index ER -