THEORY AND THE REVIEW OF RELATED LITERATURE• As soon as you have chosen a topic for your thesis or dissertation, you should look for the theory linking your topic with an available body of knowledge.
THEORY• Theory as defined by Kerlinger (1973) is “a set of interrelated constructs (concepts), definitions, propositions, that presents a systematic view of phenomena by specifying relations among the variables, with the purpose of explaining and predicting the phenomena.
FUNCTIONS OF THEORIES1. It identifies the start of the research problem by presenting the gaps, weak points, and inconsistencies in the previous researches. Thus, provides the study with a conceptual framework, justifying the need for the investigation.2. It puts together all the constructs or concepts that are related with the researcher’s topic. The theory then leads you into the specific questions to ask in your own Investigation.3. It presents the relationships among variables that have been investigated.
THE REVIEW OF RELATED LITERATURE The review of related literature is the major process that leads you to the past theory. It is your immediate concern to look for these sources, to put the literature into some organized form, and to use the literature in your study. Gay (1976) says that the review of related literature involves the systematic identification, location, and analysis of documents containing information related to the research problem.
FUNCTIONS OF REVIEW OF RELATED LITERATURE• It provides the conceptual or theoretical framework of the planned research.• It provides you with the information about the past researches related to the intended study. This process prevents unintentional duplication of these past researches and leads you into what needs to be investigated.• It gives you a feeling of confidence since by means of the review of related literature you will have on hand on all constructs related to your study.• It gives you information about the research methods used, the population and sampling considered, the instruments used in gathering data and the statistical computation of the previous research.
• It provides findings and conclusions of past investigations which you may relate to your own findings and conclusions.