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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Peer reviewed Peer reviewed
ERIC Number: EJ029258
Record Type: CIJE
Publication Date: 1970
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
A "Link" System for Assuring Confidentiality of Research Data in Longitudinal Studies
Astin, Alexander W.; Boruch, Robert F.
American Educational Research Journal, 7, 4, 615-24, Nov '70
Descriptors: Confidential Records, Databases, Educational Research, Longitudinal Studies, Questionnaires
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Cooperative Institutional Research Program