Independent-samples T-tests 2: Effect Size
Автор: Vahid Aryadoust, PhD
Загружено: 2020-03-03
Просмотров: 22284
In this video, I demonstrate how to calculate the effect size for independent-samples t-tests and interpret the results. Three effect sizes are discussed:
1. Cohen's d: two groups have similar SDs and the same size.
2. Glass's delta: if each group has a different SD.
3. Hedges' g: different and/or small sample sizes; (below 20)
The calculator used is accessible from here: https://www.socscistatistics.com/effe...
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