It includes the reason behind the methods used in the research, the theoretical concepts informing the selection of the methods, and a literature review about the methods other scholars have used when studying the topic. Locate information by searching the name of the method or theoretical framework (survey, interviews, positivism, hermeneutics, etc).
A strong literature review organizes existing contributions to a conversation into categories or "threads." For each category or thread, a literature review might highlight particularly interesting books or articles, then briefly cite or mention other instances
A literature review answers questions like:
Recommended reading: Jeffrey W. Knopf (2006). Doing a Literature Review. PS: Political Science & Politics, 39 (01):127-132. doi: 10.1017/S1049096506060264