For an independent-samples t test, no significant difference was observed betwee

Question

For an independent-samples t test, no significant difference was observed between the group means with 28 participants and an effect size of 0.71. What might you say to the researcher?

A) The size of the effect is very small, so there is little chance of finding anything here.
B) Increasing varility in your sample might help you find the effect that is present in your sample.
C) The effect size is medium, so more power is needed in the study.
D) Collect more data because the close to strong effect size indicates there might be something real going on.

Explanation / Answer

For an independent-samples t test, no significant difference was observed between the group means with 28 participants and an effect size of 0.71. What might you say to the researcher?

D) Collect more data because the close to strong effect size indicates there might be something real going on.

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