A good literature review will:
* Identify key themes and trends: It highlights major findings, debates, and gaps in existing research.
* Critically evaluate sources: It assesses the strengths and weaknesses of different studies, methodologies, and theoretical frameworks. This includes considering the author's biases, limitations of the research, and potential conflicts of interest.
* Synthesize information: It integrates findings from multiple sources to build a coherent narrative rather than simply listing individual studies.
* Identify gaps in the literature: It highlights areas where further research is needed, providing justification for the current study.
* Establish a theoretical framework: It positions the research within a specific theoretical or conceptual framework.
* Justify the current research: It demonstrates the significance and originality of the current study by showing how it addresses existing gaps or challenges in the literature.
Essentially, the literature review sets the stage for the research by providing context, background information, and a justification for the study. It's a crucial element that demonstrates the researcher's understanding of the existing scholarship and their ability to contribute meaningfully to the field.