I would like to know how peer-reviewed journals are ranked, and if I can access that information.

I've heard about some impact factors, but I don't remember their name, or where to find info on them.

For example, I'm not of the area in psychology, but I would like to know if I can trust an article published by 'Depression Research and Treatment' Journal by the 'Hindawi Publishing Corporation'. I think this Journal maybe somewhat obscure, but I have no idea how to base my opinion.

Any help would be appreciated.

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