 Introduction
 Factors affecting power
 Introduction
 Size of difference between means
 Significance level
 Sample size
 Variance
 Other factors
 Estimating power
 Exercises


Analysis Tools
Power analysis
for numerous designs and statistics
John Pezzullo
Power analysis for
ANOVA designs
by Michael Friendly
Statistical considerations
for clinical trials and scientific experiments
by David Schoenfeld
Power and
sample size page
by Russ Lenth
Instructional demos
Power Applet
by WISE
Text
Power analysis
by StatSoft
Sample
size, power and precision (PDF)
by B. Gerstman
Difference between
means: Type I and Type II errors and power
by T. D. V. Swinscow; revised by M. J. Campbell
Two
sample size practices that I don't recommend (pdf file)
by Russ Lenth
The
ideas behind statistical power
by N. Scott Urquhart
Important
Factors in Designing Statistical Power Analysis Studies
by Robin High
Power
Analysis for Regression and Stepwise Regression
by David C. Howell
Identification
of Misconceptions in Learning Statistical Power with Dynamic Graphics
as a Remedial Tool
by Chong Ho Yu and John T. Behrens

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
