Contrasts and Effect Sizes in Behavioral Research : A Correlational Approach

by Ralph L. Rosnow, Robert Rosenthal, Donald B. Rubin

Book Overview

Contrasts are statistical procedures for asking focused questions of data. Compared to diffuse or omnibus questions, focused questions are characterized by greater conceptual clarity and greater statistical power when examining those focused questions. If an effect truly exists, we are more likely to discover it and to believe it to be real when asking focused questions rather than omnibus ones. Researchers, teachers of research methods and graduate...

• Format: Paperback
• Language: English
• ISBN: B001UDLYLU
• ISBN13: 9780521659802
• Release Date: December 1999
• Publisher: Cambridge University Press
• Length: 224 Pages
• Weight: 1.05 lbs.
• Dimensions: 0.7" x 7.0" x 10.0"