Preceded by Clinical research in communicative disorders : principles and strategies / M.N. Hegde. 3rd ed. c2003.

Includes bibliographical references and index.

Why study science and research methods? -- An introduction to research : the formal and formative approaches -- Science and its basic concepts -- Treatment research -- Other types of research -- Observation and measurement -- Research designs : an introduction -- The group design strategy -- Single-subject designs -- Statistical analysis of research data -- Generality through replications -- Comparative evaluation of design strategies -- Designs versus paradigms in research -- How to formulate research questions -- How to write research reports -- How to evaluate research reports -- Ethics of research.