TY - BOOK AU - Whitley, Bernard E. TI - Principles of research in behavioral science SN - 0767421752 U1 - 150/.7/2 21 PY - 2002/// CY - New York, NY PB - McGraw-Hill KW - Psychology KW - Research KW - Methodology N1 - Includes bibliographical references (p. 615-648) and indexes ER -