Companion Website

NOTICE:  This site only contains PowerPoint lecture slides for instructors.  The information inside the front cover of the printed textbook incorrectly stated there are supplementary materials for students.  

Welcome to Plural Publishing's companion website to Clinical Research Methods in Speech-Language Pathology and Audiology, Third Edition by David L. Irwin, Norman J. Lass, Mary Pannbacker, Mary Ellen Tekieli Koay, and Jennifer S. Whited.


Now in its third edition, Clinical Research Methods in Speech-Language Pathology and Audiology is a valuable and comprehensive resource for understanding and conducting clinical research in communication sciences and disorders. Graduate students and practicing clinicians will benefit from the text's detailed coverage of various research topics. Specifically, readers will learn the strengths and weaknesses of different research methodologies, apply the results of research to clinical practice and decision-making, and understand the importance of research ethics. Clinical Research Methods is the only text to take into account qualitative research and evidence-based practice, and to provide a detailed discussion of research ethics.


We invite your reactions to both Clinical Research Methods in Speech-Language Pathology and Audiology, Third Edition and this companion website. Please feel free to call Plural Publishing, Inc. at 858-492-1555 with your questions and your suggestions for improving the book and the companion website. Additionally, do not hesitate to email us at if you need help or have comments to pass along. Please include the phrase "Clinical Research Methods" in the subject line of your e-mail message(s). We look forward to hearing from you!