Hi there,

I am currently writing a statistics report which has to cover 2 questions:
Firstly, what the correlation is between two different test scores of 30 participants.
Secondly, what the power of the study is.

I am really struggling to grasp what the pro's of doing a post-hoc power analysis is?

My results at the moment is a correlation of 0.577, and a power of 0.96 - However I don't know how exactly to interpret the power here.

Any help on talking me through what the power analysis actually means?