Answer Happy

Dr. Washington wants to understand whether attractiveness increases people's perceptions of intelligence. He brings 18 participants into the lab and randomly divides them into 2 equal groups. Group 1 looks at pictures of more attractive people. Group 2 looks at pictures of less attractive people. All participants rate the pictures on a 1-10 scale for how intelligent the person looks. Using the data below, answer the following research questions: Are more attractive people rated as more intelligent that less unattractive people? Assume alpha = .01 More Attractive: Mean: 7.56 SS-10.22 n=9 Less Attractive: : Mean: 4.22 SS-15.56 n=9 Answer the following questions in the blanks below: 1) What is the t-value for the experimental data provided? 2) What critical t-value(s) should you use? 3) Should you Reject or Fail to Reject the Null? (Please type either: "Reject" or "Fa Reject" Answer the following questions in the blanks below: 1) What is the t-value for the experimental data provided? 2) What critical t-value(s) should you use? 3) Should you Reject or Fail to Reject the Null? (Please type either: "Reject" or "Fa Reject" 4) Do you need to calculate a Cohen's d? (Please type either: "Yes" or "No") Blank #1 Blank # 2 Blank # 3 Blank #4 N