Understanding Power and Rules of Thumb for Determining Sample Sizes
This article addresses the definition of power and its relationship to Type I and Type II errors. We discuss the relationship of sample size and power. Finally, we offer statistical rules of thumb guiding the selection of sample sizes large enough for sufficient power to detecting differences, assoc...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Université d'Ottawa
2007-09-01
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| Series: | Tutorials in Quantitative Methods for Psychology |
| Subjects: | |
| Online Access: | http://www.tqmp.org/Content/vol03-2/p043/p043.pdf |