For courses in Research Methods in Education. Understanding and Evaluating Research, fourth edition, is a market leading textbook appropriate for all courses in educational research. A reader, this text contains quantitative and qualitative educational research articles from a variety of professional journals. With each article is a sample article analysis and exercises that help students become better consumers of research. The fourth edition is greatly enhanced by the inclusion of new articles, advance organizers, annotations to explain different sections, revised discussion of research typology, and an appendix with answer to evaluation criteria questions. Those features together with the two mixed-method studies, revised and expanded discussion of qualitative methods, more emphasis given to randomized designs, revision of research typology, and updated articles make this a must have book for understanding and evaluating research.