The "Research Methods in Psychology 9th Edition" by Barry H. Kantowitz, Henry L. Roediger III, and David G. Elmes is a comprehensive textbook on research methods in psychology. Published by Wadsworth in 2011, this hardcover book covers a wide range of topics related to self-help, education, and psychology. With 480 pages, this textbook is designed for students and educators alike, offering valuable insights into general research methods, teaching materials, and psychological research. Written in English, this publication is a valuable resource for those interested in the field of psychology.