A literature review helps identify what in relation to the topic?

• A. What is known and unknown about the topic
• B. How to raise funds
• C. How to conduct experiments
• D. How to publish quickly

Answer: (A)

A literature review identifies what is known and unknown about a topic by compiling and synthesizing existing research and theories. It proactively surveys studies, findings, patterns, and disagreements to map the current state of knowledge, highlight gaps, and reveal where evidence is solid or weak. This helps researchers see how their question fits into the broader landscape, justify why further study is needed, and design methods that align with what has already been tried. While fundraising, conducting experiments, or pursuing rapid publication are separate concerns in research, a thorough literature review primarily serves to clarify the existing knowledge and the remaining questions that future work should address.