A lit. review is a comprehensive and up-to-date overview of the principal research about the topic being studied.
The review helps form the intellectual framework for the study.
The review need not be exhaustive; the objective is not to list as many relevant books, articles, reports as possible.
However, the review should contain the most pertinent studies and point to important past and current research and practices in the field.
When conducting a literature review a researcher must have three quite distinct skills. He or she must be
A literature review is a systematic survey of the scholarly literature published on a given topic. Rather than providing a new research insight, a literature review lays the groundwork for an in-depth research project analyzing previous research. Type of documents surveyed will vary depending on the field, but can include:
A thorough literature review will also require surveying what librarians call "gray literature," which includes difficult-to-locate documents such as:
Bookshelves by Giuseppe Maria Crespi (c. 1725)
A literature review serves several purposes. For example, it