PHI measure, Independent samples t-test

“Pain Level Significant Association“. Please respond to the following:

Note: Respond to one (1) of the following two (2) questions for your primary post

One: A researcher found that there is a significant association between gender and pain level (low versus high), and the associated Phi measure was .30. Discuss how you would interpret this measure. Explain your answer.
Or Two: Think of an example that you may want to study using an independent samples t-test. Explain why the violation of normality assumption will bias the result. How can a violation of assumptions lead to a false result?