a) Imagine you have been hired as a consultant by the local police commissioner to lend your expertise on criminal justice research for the education of the police captians, who will be developing a new citywide crime prevention stragety. As an introductory task in this position, you are to write to the local police captians explaining the theories used to approach your research.

b) What are the differences between the four identified types of research theories? Is any one type of theory more valid than the others? What are the differences and similarties if an between theory and hypothesis? What are the variables, and why are they important components of theorectical schemes?