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## The Kansas City preventive patrol

Read the following research experiment conducted by the Police Foundation in 1974:

Kelling, G. L., Pate, T., Dieckman, D., & Brown, C. E. (1974). The Kansas City preventive patrol experiment: A summary report. Police Foundation. Retrieved from https://www.policefoundation.org/publication/the-kansas-city-preventive-patrol-experiment/

Brief summary:

The experiment focused on the following research questions:
● Would citizens notice changes in the level of police patrol?
● Would different levels of visible police patrol affect recorded crime?
● Would different levels of visible police patrol affect the outcome of victim surveys?
● Would citizen fear of crime change as a result of differing patrol levels?
● Would attendant behavior change as a result of differing patrol levels? Would their degree of satisfaction with police change?

Answer the following questions in short, clear, and concise sentences.

Pick ONE of the research questions above and complete the following five exercises.
1. Identify one independent variable (IV) from the selected research question. In one sentence indicate the IV. The IV is _____________.

2. Indicate how the independent variable identified in #1 could be measured (conceptualize, operationalize, and describe the level of measurement for this variable).

3. Identify one dependent variable (DV) from the selected research question. In one sentence indicate the DV. The DV is _____________.

4. Indicate how the dependent variable identified in #3 could be measured (conceptualize, operationalize, and describe the level of measurement for this variable).

5. Express the research question in a measurable hypothesis statement (ensure that the hypothesis statement includes the independent variable and the dependent variable you identified in items 1 and 2 above). Use the following structure to help formulate your answer:

____ with ____ are more/less likely to ____ than ___ without ______
(subjects) with (independent variable) are more/less likely to (dependent variable) than (subjects) without (independent variable)