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Download full textAstin, Alexander W.; Boruch, Robert F. – 1970
The purpose of this article is to describe a system for protecting the anonymity of subjects in longitudinal research and for maintaining the security of data files. The basic system comes from the American Council on Education Cooperative Institutional Research Program. Data is collected from questionnaires, and converted to magnetic tape.…
Descriptors: Computer Storage Devices, Confidential Records, Data Processing, Databases
