Question

Your friend wants to examine the life cycle of crime and delinquency, as research in this area can have a major influence in decision making at a higher level. By examining this area, what does your friend hope to influence?

Answer 1

Your friend hopes to influence both theory and policy.

Step-by-step explanation:

Your friend hopes to influence theory because he is making a scientific study about crime, hoping to find the objective life cycle of it.

He also hopes to influece policy because he says that one of his motivations to carry out the study is to influence decision making at a higher level, in other words, positions of power that are usually the taken by politicians.