Carrie wants to know if her physical training program affects scores on a visual recognition task. To test this, she asks 5 people to complete the task before and after undergoing her program. She finds that the mean of the difference scores is 1 and the estimated standard error of the difference scores is 0.949. Does Carries' program significantly affect scores on the visual recognition task?

Locate the critical value that defines the critical region and calculate your statistic.

Makke a decision with you hypothesis. Do you fail to reject the null or reject the null?

Write a conclusion,

If you fail to reject the nulll, calculate the effect size.