Provide an exhaustive review of the current literature that includes the following information:
Identify and describe studies related to the study topic and chosen methodology that are consistent with the scope of the study.
Explore ways in which researchers in the discipline have approached the problem. Outline the strengths and weakness inherent in each of their approaches.
Justify, from the literature, the rationale for selection of your operational variables as well as concepts where necessary.
Review and synthesize studies (under each heading) related to the key variables in order to produce a description of what is known about the study topic, what is controversial, and the remaining gaps in the literature to be studied.