Using the Same Data, Post Hoc Tests Were Run

Multiple Choice

Using the same data, post hoc tests were run. Based on the output for these tests, what should the HR manager conclude?

A) The scheme group was significantly different from the post-scheme and control groups, and the post-scheme group was significantly different from the control group.
B) The scheme group was significantly different from the control group but not the post-scheme group, and the post-scheme group was not significantly different from the control group.
C) The scheme group was significantly different from the control group but not the post-scheme group, and the post-scheme group was significantly different from the control group.
D) The post hoc tests are inconclusive.