You want to replicate Barlett et al.'s research on amount of blood in a video game and measures of aggression. Your independent variable has 4 levels: maximum blood, medium blood, low blood, and no blood.
You want to conduct a between subjects design. How many total participants will you need if you want 10 participants in each level of the IV?
a. 10
b. 20
c. 30
d. 40
Question 2
In the Are You Equipped Now? Section at the end of the chapter, a study on the Olympics was discussed. What kind of scale was used to determine where participants watched the Olympics?
a. ordinal
b. nominal
c. ratio
d. interval