Determining "good" information from "bad" can get tricky sometimes. One way to decide what's what is to ask a librarian for help, or you can use SIFT, a set of 4 'moves'.
SIFT stands for:
- Stop.
- Investigate the source.
- Find better or other sources.
- Trace back to the original source to see quotes in their original context.

The idea of SIFT comes from Mike Caulfield and is reused here under a Creative Commons license.
Here are some helpful websites: