Question

The Kansas City, Missouri police department's study of patrol effectiveness, convinced criminologists that:
a. The mere presence of patrol officers on the street did not have a deterrent effect.
b. Doubling the amount of patrol officers on the street had a deterrent effect.
c. The mere presence of patrol officers on the street had a deterrent effect but only in high crime neighborhoods.
d. Decreasing the amount of patrol officers on the street increased crime.

Answer

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