Case Scenario: You are summoned to the police chief's office. The chief tells you he is concerned about an increase in violent crime. The chief wants you to examine violent crime and some its correlates to identify the cause for the recent increase. The chief asks you to investigate the problem and report the results so he, along with elected leaders, can craft policy changes that alleviate the problem.
Application Exercise: It is now time for you to identify how and where to collect data to get some answers for the chief. Where will the data come from? How large of a sample do you need?
Explain your sampling strategy and the size of your based on a simulated power analysis. Use the free statistical calculators here:
Assignment objective: explain how researchers use different types of sampling methods to represent people and places, and to generalize beyond those they observe.