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We encourage the use of the LAPOP/AmericasBarometer archive of survey data by researchers world-wide. In addition to the web-based free on-line data analysis tool and to subscription agreements, Vanderbilt is also pleased to establish "Data Repository agreements" with other institutions and  researchers. These agreements allow those institutions and researchers to acquire as many data sets as might interest them for a one-time fee, so long as the repository institution and researcher agrees in writing to follow U.S. Federal human subjets protection rules (IRB rules).