Required Textbook: Hagan, Frank E., Research Methods in Criminal Justice and Criminology, Pearson Education, Inc., 2014. ISBN: 978-0-13-300861-6.Answer the Review Questions at the end of Chapter 11: APA Formatting, no plagiarism, answer in an essay format and like teaching others.1. How does evaluation research fit into the general scheme of policy analysis? Using the NIJ program, what role can research have in public policy debates in criminal justice?2. Describe the “systems model” of evaluation research. In what way can such a model inform public policy in criminal justice?3. Evaluation research seldom takes place as planned. Using the discussions in this chapter, elaborate on obstacles to evaluation research in criminal justice.