ERIC has many peer-reviewed articles available as full-text. To find them, do a search and then click on the checkboxes at the top of the result screen. Set it to "peer reviewed" and "full text" and hit the "search" button again to filter the results.
An international consortium of more than 750 academic institutions and research organizations, ICPSR provides leadership and training in data access, curation, and methods of analysis for the social science research community. The vast majority of ICPSR data holdings are public-use files with no access restrictions.