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Download full textCox, Brenda G.; Folsom, Ralph E., Jr. – 1979
Using an empirical investigation of alternate item nonresponse adjustment procedures in a National Longitudinal Study (NLS) of missing and faulty data, it is indicated that in some cases imputation can reduce the accuracy of survey estimates. A National Sample of the high school class of 1972 is designed to provide statistics on students moving…
Descriptors: Graduate Surveys, Item Analysis, Longitudinal Studies, Statistical Analysis
Talbert, Robin – 1976
The National Longitudinal Study of the High School Class of 1972 (NLS) critical data base contains 151 items (plus background information) from the base year and followup questionnaires; about thirty-seven percent of all items. This set of critical items consists of: (1) basic demographic variables; (2) items necessary for defining activity states…
Descriptors: Biographical Inventories, Databases, Followup Studies, Graduate Surveys
