Spelman and Eck (1989) studied several U.S. research efforts and estimated that 10 percent of places are the source of approximately 60 percent of all calls for service.

Question

Quizplus · Accepted Answer

Spelman and Eck (1989) indeed conducted a study on U.S. research efforts and found that a small proportion of places, about 10 percent, accounted for a large portion, approximately 60 percent, of all calls for service, illustrating the principle of crime concentration at specific locations.

Spelman and Eck (1989) Studied Several U