Zhao, Schneifer, and Thurman (2003) studied the effects of grants from the Office of Community Oriented Policing Services (COPS) on police productivity (number of arrests). They concluded that increased hiring made possible through COPS grants led to an increase in the number of arrests, especially for drug and violent crimes. What kind of study is this?
A. Evaluation Research
B. Explanatory Research
C. Exploratory Research
D. Descriptive Research
Zhao, Schneifer, and Thurman (2003) studied the effects of grants from the Office of Community Oriented...