Hypothesis testing with effect size

Your task is to edit the following section of the given chapter:
1.Ho1:There is no significant difference in the effects of drill type (FDPA and EDPA) on knowledge retention (A) on page 7.

You must edit the section based on the following comments:
1.My panel commented that I have to report the effect size and observed power the correct way in testing the hypothesis. Im not sure how.
2.My panel commented that I have to provide citation who stated that an effect size value in partial eta square is strong, moderate or weak. Same goes with observed power.
3.Fix sentence and grammatical errors.