Role of Literature Review in Research

In any research, literature review plays an important role. It is not only important but also essential when the researcher writes about any research report.  It is a required homework that ought to have been done carefully.  It is a fact finding task and initial step of any research.  It depicts the pictures about what research has been done in the past of the topic chosen by the researcher. The main aspect of literature review is that it judge, sums up, compares and contrasts, connects various books, articles, other relevant sources that are very much related to the present research. A literature review helps for creating a sense of understanding with the readers so that they can trust the researcher.  It sharpens the focus of the researcher.