Answer:
Observational research (or field research) is a type of correlational (i.e., non-experimental) research in which a researcher observes ongoing behavior.
Reviewing the research literature means finding, reading, and summarizing the published research relevant to your question. ... It can help you evaluate the interestingness of a research question. It can give you ideas for how to conduct your own study. It can tell you how your study fits into the research literature.
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Explanation:
