Peer Review: the process articles in scholarly journals go through. Experts on the topic the article is written about read and comment on it, and only the best articles are accepted and make it into the journal. Peer reviewed articles must be of high quality, and they always add new knowledge or information about their topic to the sum of human knowledge.
Evaluation: Deciding whether a source is valuable or worth including in your research. Evaluation is a complicated process, you need to consider many different factors in deciding whether to use a source.
