Howitt, Dennis Introduction to research methods in psychology / Dennis Howitt, Duncan Cramer - Harlow, England : Pearson/Prentice Hall, 2005 - xiv, 354 p. : ill. ; 25 cm. Includes bibliographical references (p. [337]-343) and index ISBN: 0131399845 (pbk.) RM160.36 Subjects--Topical Terms: Psychology--Research--Methodology--Textbooks