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WISE Power Tutorial


WISE Power Tutorial

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This tutorial is designed to provide a conceptual, non-mathematical, overview of the factors that affect power. You will learn how statistical power is influenced by four features of the test situation: the size of the difference between the actual population mean and the null hypothesized mean (μ1 – μ0); variability of scores within groups (σ); sample size (n); and alpha error (α). Further, you will use an interactive applet that allows you to manipulate features of the test situation and... More
Material Type: Tutorial
Technical Format: Java Applet
Date Added to MERLOT: August 25, 2012
Date Modified in MERLOT: August 25, 2012
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Keywords: statistical power


  • Editor Review avg: 4 rating
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Primary Audience: College General Ed, Graduate School
Mobile Compatibility: Not specified at this time
Technical Requirements:  
Language: English
Cost Involved: unsure
Source Code Available: unsure
Accessiblity Information Available: unsure
Creative Commons: unsure


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