PSYC3530 Problem Set #4: Show ALL Work to receive credit for problem sets. Take photos of your work and copy+paste them to ONE Microsoft Word document 1. A marketing team at a major cereal company wants to test two commercials to see if people would view the company differently after viewing a commercial with a celebrity vs. without a celebrity. They recruited seven participants and showed them both commercials. Participants' attitudes about the company were measured with a short questionnaire after watching each commercial on a 1-20 scale. See the data below. Commercial with Celeb Commercial without Celeb 12 15 B 10 14 15 17 D 17 17 E 12 18 1a) What type of research design is this? What type pf t-test do you need to conduct? 2b) Using alpha= .05, run through the steps of hypothesis testing to test whether people rated the company differently based on the commercials. Is an effect size needed here? Explain why or why not and calculate & interpret both effect sizes if needed