Dr. Henry believes that if he gives a short quiz (0-5)before he lectures and then the same short quiz (0-5)after he lectures his student will retain more information from his lecture. He give his 45 the short quiz then lectures and gives the same 45 students the same quiz.

A. What are the independent and dependent variables and how are each scaled?

Independent:________________________ Scaling:_____________________________

Dependent:__________________________ Scaling:_____________________________

B. What test should Dr. Henry use?

C. Why that test?

D. What are the null and alternative hypotheses for that test?

E. What is the critical value for p=.05?

G. If Dr. Henry calculates a test statistic of 1.59, should she? Retain H0 Reject H0

H. Interpret the findings: