CHAPTER 8 Power
CHAPTER 8 Power
Objectives
To introduce the concept of the power of a statistical test and to show how we
can calculate the power of a variety of statistical procedures.
Contents
8.1 Factors Affecting the Power of a Test
8.2 Effect Size
8.3 Power Calculations for the One-Sample t
8.4 Power Calculations for Differences Between Two Independent Means
8.5 Power Calculations for Matched-Sample t
8.6 Power Calculations in More Complex Designs
8.7 The Use of G*Power to Simplify Calculations
8.8 Retrospective Power
8.9 Writing Up the Results of a Power Analysis
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