A literature review enables the researcher to become familiar with what has already been done on a topic. By critically analyzing previous findings, the researcher can see what is known, where inconsistencies exist and what remains unexplored. This helps in sharpening the research problem, formulating appropriate objectives and avoiding unnecessary duplication.
Option A:
Option A suggests avoiding citations, which undermines scholarly honesty and disconnects the study from existing knowledge.
Option B:
Option B is correct as it highlights the three central functions: understanding existing knowledge, identifying gaps and refining the problem. These steps enhance relevance and originality of the research.
Option C:
Option C treats review as a mere way to increase length, ignoring its analytical and conceptual role in building a strong foundation for the study.
Option D:
Option D implies that literature review substitutes for methodology, which is incorrect. Methodology must still be explicitly designed and justified after reviewing literature.
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