It is possible to check whether a journal is peer-reviewed or not in Ulrich's Periodicals Directory.
Ulrich's is available online from the Kresge Library website. Do a search for a journal, and look for the little referee icon before the title of the journal:
If it is there, the journal is peer-reviewed.
Here is how to find and search in Ulrich's (0:41 video):
Oakland University, Kresge Library
2200 N Squirrel Rd., Rochester, MI 48309
(248) 370 - 4426