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Levinsohn, Jay R.; Riccobono, John A. – 1975
The National Longitudinal Study of the High School Class of 1972 (NLS) is a large-scale longitudinal survey effort. The current data tapes contain base-year (1972) survey data integrated with first follow-up (1973) survey data. The base-year data consist of responses to a Student Questionnaire, the results of an ability test, and information from…
Descriptors: Academic Ability, Data Collection, Data Processing, Databases