Noted for its comprehensive coverage, this greatly expanded new edition now covers the use of univariate and multivariate effect sizes. Many measures and estima

A jargon-free introduction for students and researchers looking to interpret the practical significance of their results.

The goal of this book is to inform a broad readership about a variety of measures and estimators of effect sizes for research, their proper applications and int

Communication research is evolving and changing in a world of online journals, open-access, and new ways of obtaining data and conducting experiments via the In

Contrasts are statistical procedures for asking focused questions of data. Compared to diffuse or omnibus questions, focused questions are characterized by grea