Why is this an example of quasi-experimental design and not an experimental design? Explain your answer. Identify the internal threats to validity that may be an issue in this study. Explain your answer.

Police Monitored CCTV Cameras in Newark

Read Police Monitored CCTV Cameras in Newark, NJ: A Quasi-Experimental Test of Crime Deterrence by Joel M. Caplan, Leslie W Kennedy, and Gohar Petrossian and then answer the following questions using information from the article and your assigned text. Article is in the Module.

Describe the treatment and control groups used in this study.
Why is this an example of quasi-experimental design and not an experimental design? Explain your answer.
Identify the internal threats to validity that may be an issue in this study. Explain your answer.