Read all five sections of this tutorial from "Credible Sources" through "Validity". This tutorial discusses appropriate questions to ask in order to determine whether a source is credible and reliable. As you read through the tutorial, make a list of important questions to ask. Leave plenty of space between each question. As you proceed, make notes under each question about why that question is important. Also, write down any tips to consider when attempting to answer each question.
In general, reliability means consistency, quality and integrity.
In the case of a scholarly information source, like a monograph or scholarly journal article, you know:
Plus, with scholarly information sources, it is easy to identify:
You can learn a lot about an information source by looking at the the organization(s) responsible for producing it. Some questions to ask when encountering non-scholarly information sources: