Question

2. If you calculate an effect size of .2, what can you say about the relative strength of the differences between the means of two populations?

Answer 1

Using the correlation and effect size table, we know effect size of 0.2 corresponds to 0.1 correlation coefficient, effect size of 0.5 corresponds to 0.3 correlation coefficient and effect size of 0.8 corresponds to 0.5 correlation coefficient

Therefore, we can say that the effect size of 0.2 corresponds to the weaker relative strength because the correlation coefficient corresponding to effect size of 0.2 is also very small.

Thus, effect size of 0.2 corresponds to lower or weaker relative strength