Author Question: You want to replicate Barlett et al.'s research on action figures and negative body image in young ... (Read 131 times)

Beheh · **on:** Jul 13, 2018

You want to replicate Barlett et al.'s research on action figures and negative body image in young adult males. Your independent variable has three levels: no action figures, highly muscular figures, and moderately muscular figures.

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 participants
b. 30 participants
c. none of the above
d. cannot be determined

Question 2

When a change in the dependent variable could be due to participants systematically dropping out of an experiment, __________ is a threat to internal validity.

a. attrition
b. testing
c. diffusion of treatment
d. instrumentation