Chapter 2review

CHAPTER :II

REVIEW OF RELATED LITERATURE

INTRODUCTION

According to Best (1977)"A brief summary of previous research and the writing of the recognized experts provided evidence that the research is familiar with the what is already known and what is still unknown and untested .A familiarity with literature in any problem areas helps the students to discover that is already known what others have attempted to find out".

Review literature in research refers to extensive,exhaustive and systematic survey publication relevant to the selected fields of investigation.The process of literature review begins even before the stage of defining the research topic or problem and continues till publication of the research report.The terms 'review'means to organize the knowledge of that the proposed study would be an addition to this field.Literature refers to the knowledge of a particular area of investigation of any discipline which includes theoretical,practical and it's research studies.This review of literature refers to the key to the vast store house of published literature may open doors to sources of significance problems,explanatory hypothesis,provide helpful orientation for definition of the problem,background for selection of research.In order to be creative and original one must read extensively and critically as a stimulus to thinking.

A review of literature is a written summary of existing knowledge on a research problem.The task of review of literature involves the identification,selection of critical and written description of existing information on a topic.