TY - BOOK AU - Lahey, Benjamin B. AU - ED - ED - ED - ED - TI - : an introduction SN - 0697032620 (cloth);0697032639 (pbk.) SN - 2 PY - 1989///;copyright 1989.46 CY - Dubuque, Iowa PB - Wm. C. Brown KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Psychology KW - Textbooks N1 - Includes bibliographical references and indexes; 5 ER -