An annotated bibliography is a list of sources that includes a brief summary and evaluation of each source. It provides a list of sources related to a specific topic and a brief description of each source’s content and quality. An annotated bibliography is often used to help organize and keep track of sources for a research project.
On the other hand, a literature review is a comprehensive summary and evaluation of the existing research on a specific topic. A literature review aims to provide an overview of the current state of research on a topic, highlighting important findings, gaps, and controversies. It synthesizes the existing research and provides an analysis of the current state of knowledge on a topic.
So while both annotated bibliographies and literature reviews involve summarizing and evaluating sources, the main difference is that an annotated bibliography is a list of sources with brief summaries and evaluations, while a literature review is a comprehensive summary and evaluation of the existing research on a topic.