Lesson 16. Power, Sample Size, Effect Size
Lesson 16. Power, Sample Size, Effect Size
Discussion of Power, Sample Size and Effect Size - “Good, Fast, Cheap - pick 2”
We will be discussing the information in these slides - feel free to download my files:
PPT Slides - 1 https://github.com/melindahiggins2000/N736/raw/master/HigginsLecture_Power_30Jan2013.ppt
PPT Slides - 2 https://github.com/melindahiggins2000/N736/raw/master/ehcnir_MHiggins_final.pptx
Converting Effect Sizes EXCEL file https://github.com/melindahiggins2000/N736/raw/master/Copy%20of%20Converting%20effect%20sizes%202009-06-25.xls
EXCEL File showing n=80-120 for moderate effect sizes regardless of method https://github.com/melindahiggins2000/N736/raw/master/EffectSizes_Power_SampleSizes_Higgins_09172013.xlsx
Post Hoc Power Paper https://github.com/melindahiggins2000/N736/raw/master/LevinePostHocPower-1.pdf
The Abuse of Power Paper https://github.com/melindahiggins2000/N736/raw/master/TheAbuseOfPower_AmStat_2001.pdf
OPTIONAL Download **G*Power** Power, Sample Size Software (yes, it is FREE) http://www.gpower.hhu.de/ - scroll about halfway down to download the installer for either Windows or Mac operating systems.
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unless otherwise noted.