Handbook of research methods in clinical psychology / edited by Michael C. Roberts and Stephen S. Ilardi. Roberts, Michael C. Ilardi, Stephen S., 1963- Clinical psychology Research Methodology Handbooks, manuals, etc. RC467.8 .H36 2003 616.890072 21 BER Includes bibliographical references and index. Malden, MA : Blackwell Pub., c1984. c1984. 2003 Text xi, 455 p. : eng Blackwell handbooks of research methods in psychology ; 2