A researcher administered a scale measuring concern for farm workers (high scores mean high concern) to seven students before and after they attended a film about union organization of farm workers. Results are shown below. Scores on the Concern Measure, Before and After Film Participant Before After

A 17 20

B 7 4

C 10 11

D 13 15

E 8 5

F 9 8

G 11 14

Do these results support the hypothesis that the film affected concern (in either direction) for the lives of farm workers? (Use the .05 significance level.) a) Use (and label) the five steps of hypothesis testing. (20 pts.) b) Figure the effect size of this study. (3 pts.)