Exercise 7.10 A political consultant wants to judge the impact of a speech. The consultant recruits a group of registered voters and asks them to indicate their voting intentions on a 1-to-7 scale (1 = absolutely will not vote for this candidate, 7 = absolutely will vote for this candidate). Next, the candidate delivers the speech. Finally, the consultant readministers the one-question

survey to each participant. Data set: Ch 07 - Exercise 10A.sav Codebook Variable:

ID

Definition: Participant ID Type: Alphanumeric Variable: pretest Definition: Voter's score before speech Type: Continuous (1 = absolutely will not vote for candidate, 7 = absolutely will vote for candidate) Variable: posttest Definition: Voter's score after speech Type: Continuous (1 = absolutely will not vote for candidate, 7 = absolutely will vote for candidate) a. Write the hypotheses.

b. Run the criteria of the pretest checklist (normality for posttest pretest) and discuss your findings. c. Run the paired t test and document your findings (means and significance [p value], hypothesis resolution). Paste the results.

d. Write an abstract up to 200 words detailing a summary of the study, the paired t test results, hypothesis resolution, and implications of your findings.