The University of Phoenix has a bunch of courses that fit that general description. http://www.phoenix.edu/search/default.aspx?q=research+methods&site=default_collection&client=default_frontend&output=xml_no_dtd&filter=0 If you'll tell us which specific subject area interests you we may be able to give you more specific courses geared toward that area.
www.apus.edu has graduate research courses for each of their subject areas, history, business, management, social sciences, you name it. I've taken both Research Methods in History and Research Methods in Social Science at the graduate level there online and can say the classes are very good at highlighting the different approaches by subject area.
