Which of the Following Is an Example of a Macro-Level

Multiple Choice

Which of the following is an example of a macro-level study?

A) measuring whether individual treatment is effective based on self-report surveys of improvement
B) measuring fraternity or sorority members fear of crime and whether it predicts their actual crime events
C) measuring whether people who have been incarcerated before are more likely to be rearrested if they own a parrot than those who do not own a parrot
D) measuring whether the size of the police department in an area affects crime rates