State how these test results might be reported in the literature, given s
=13.99 and s
15.7 An educational psychologist wants to check the claim that regular physical exercise improves
academic achievement. To control for academic aptitude, pairs of college students with similar GPAs are
randomly assigned to either treatment group that attends daily exercise classes or a control group. At
the end of the experiment, the following GPAs are reported for the seven pairs of participants:
Physical Exercise (X
No Physical Exercise (X
Using t, test the null hypothesis at the 0.01 level of significance.
Specify the p-value for this test result.
If appropriate (because the test result is statistically significant), use the Cohen’s d to estimate
the effect size.
How might this test result be reported in literature?