Many communication disorders are poorly understood and many treatments used in therapy remain unproven. Speech and Language therapists are increasingly involved in research in these areas but may lack the training and experience required to conduct it. Not the least of their problems is that few textbooks discuss the specific problems of research design in communication disorders.

Research Methods in Speech and Language Therapy fills this gap. It will serve as an introductory text for students who are training to be therapists and as an introduction to more advanced methods for clinicians...