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I’ll probably have to defer until this summer mastering the intricacies of “The New Statistics” championed by Geoff Cumming. I want to avoid throwing the baby out with the bath water as I attend to blend the revolution in data analysis into my courses. However, here is a first attempt to introduce the concept, calculation, and interpretation of effect sizes into my teaching. Below the screen cast are five very useful effect size online calculators.

Here are five effect size calculators I have found useful enough to share with my students in Psychology 205.

Effect Size Calculators

  1. Becker: http://www.uccs.edu/~lbecker/
  2. Hong Kong http://www.polyu.edu.hk/mm/effectsizefaqs/calculator/calculator.html
  3. Campbell Collaboration: http://www.campbellcollaboration.org/resources/effect_size_input.php
  4. Psychometrica http://www.psychometrica.de/effect_size.html
  5. Cognitive Flexibility http://www.cognitiveflexibility.org/effectsize/


Posted by Professor David Simpson

Professor of Psychology, Carroll University (USA), Lover of Dogs, Reading, Teaching and Learning. Looking for ways to enhance cross-global communication and to apply technology learning tools.

2 Comments

  1. Nice overview of effect size! The Data Whacker looked particularly appealing – and useful.

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    1. Thank you, Sami! And thank you for being “brave” enough to leave a comment.
      This was a “rushed” blog piece that I hope to better develop and address all data analyses I teach. Perhaps you or fellow students could help.
      DS

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