Contents

Other Sites

Books

  1. Introduction
  2. Variance explained in ANOVA
  3. Variance explained in correlation
  4. Variance explained in contingency tables
  5. Cautions about variance explained
  6. alternative approaches
  7. Exercises

precision consulting

Analysis Tools
Effect Size Calculator
by Robert Coe of University of Durham

Effect Size Calculator
by Lee Becker of University of Colorado at Colorado Springs

How to calculate effect sizes from published research: A simplified spreadsheet
by Will Thalheimer (Work-Learning Reseach) and Samantha Cook (Harvard University)

Instructional Demos
A small effect can make a large difference

by David Lane of Rice University

Text
Effect size
by Lee Becker of University of Colorado at Colorado Springs

A scale of magnitude for effect sizes
by Will Hopkins of the University of Otago

Effective uses of ‘effect size’ statistics to demonstrate
business value
(PDF)
by Lori B. Cook of Arizona State University

Meta-analysis and effect size
by Chong-ho Yu

What is an 'Effect Size'? A guide for users
by Robert Coe of University of Durham

How to calculate effect sizes from published research: A simplified methodology
by Will Thalheimer (Work-Learning Reseach) and Samantha Cook (Harvard University)

Statistical Power Analysis : A Simple and General Model for Traditional and Modern Hypothesis Tests
by Kevin R. Murphy and Brett Myors (Editor)

Statistical Power Analysis for the Behavioral Sciences
by Jacob Cohen

How Many Subjects : Statistical Power and Analysis in Research
by Helena Chmura Kraemer and Sue Thiemann