Question: applied statistics use the following to answer questions a ...
Use the following to answer questions a - e:
A 2012 study investigated the impact of psychological stress on men's judgments of female body size. The men were randomly assigned to one of two groups; one group was assigned to participate in a stressful task while the other group did not take part in the task. Then the men were asked to rate the attractiveness of female bodies varying in size from emaciated to obese.
a. What are the cases in this study?
b. Briefly explain why this is an experiment and not an observational study.
c. Identify the explanatory variable in this experiment.
d. Identify the response variable in this experiment.
e. Is a control group used in this experiment? If so, which group is the control group?