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Searched for: Statistical Topic is Statistical Inference and Techniques -- Significance Testing Principles -- Effect Size
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View Resource **Power Tutorial

This tutorial is intended to teach students how power in a one-sample Z-test is influenced by effect size, variability (population standard deviation), sample size, and significance level. WISE Power Tutorial can be used in a variety of settings including as a tutorial for an individual student, during a lab, and after a lecture. The applet embedded in the tutorial could be used during an...

http://wise.cgu.edu/powermod/index.asp
View Resource Power Applet

The applets in this section of Statistical Java address Power. Users can perform one or two tailed tests for proportions or means for one or two samples. Set the parameters and drag the mouse across the graph to see how effect size affects power. An article and an alternative source for this applet can be found at http://www.amstat.org/publications/jse/v11n3/java/power/ This page was...

http://www.causeweb.org/repository/statjava/Power.html
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