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| Folsom, R. E. | 2 |
| Weber, J. H. | 2 |
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| Moore, R. P. | 1 |
| Moore, R. Paul | 1 |
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| Shah, B. V. | 1 |
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Download full textBenrud, C. H.; Williams, R. L. – 1981
The major emphasis of the National Longitudinal Study of the High School Class of 1972 (NLS) has been directed toward individuals in the 1972 high school graduating class. Consequently, sampling parameters were established to ensure student representation, and the bulk of data collected were individual-level data. School-level data exist on a…
Descriptors: Data Analysis, Data Collection, Graduate Surveys, High Schools
Wisenbaker, Joseph M.; Schmidt, William H. – 1979
The problems inherent in analyzing data in which subjects are "nested" within hierarchical units (such as classrooms or schools), and thus are not independent of one another, are addressed through the use of Joreskog's LISREL model for analyzing covariance matrices. A solution to the problem is proposed and illustrated using data from…
Descriptors: Analysis of Covariance, Data Analysis, High Schools, Multiple Regression Analysis
Folsom, R. E.; Weber, J. H. – 1976
Two sampling designs were compared for the planned 1978 national longitudinal survey of high school seniors with respect to statistical efficiency and cost. The 1972 survey used a stratified two-stage sample of high schools and seniors within schools. In order to minimize interviewer travel costs, an alternate sampling design was proposed,…
Descriptors: Attrition (Research Studies), Cost Effectiveness, Costs, Efficiency
Moore, R. P.; Shah, B. V. – 1975
The average design effects for statistics estimated from the base-year National Longitudinal Study data are presented. Attempts to partition the effects into those due to stratification, clustering, and unequal weighting are discussed. The expected increases in subpopulation sample sizes due to oversampling are calculated and compared with the…
Descriptors: Efficiency, Graduate Surveys, High School Graduates, High Schools
National Center for Education Statistics (DHEW), Washington, DC. – 1977
A complex two-stage sample selection process was used in designing the National Longitudinal Study of the High School Class of 1972. The first-stage sampling frame used in the selection of schools was stratified by the following seven variables: public vs. private control, geographic region, grade 12 enrollment, proximity to institutions of higher…
Descriptors: Analysis of Variance, Cluster Analysis, Data Analysis, High School Students
Folsom, R. E.; Weber, J. H. – 1976
Longitudinal measures of change are the most important kinds of estimates being produced from the National Longitudinal Study of the High School Class of 1972 (NLS). Several topics are presented in this report, most of which build on previous variance components analyses. The major areas covered are effects of stratification and clustering,…
Descriptors: Followup Studies, Graduate Surveys, High School Graduates, High Schools
Moore, R. Paul – 1975
The report traces the activities which led to the development of the adjusted weights--beginning with the basic National Longitudinal Study design, the base-year weight calculations, and the resurvey procedures. Next, the report describes the first follow-up weight calculations (including unadjusted student weights), nonresponse adjustment…
Descriptors: Attrition (Research Studies), Followup Studies, Graduate Surveys, High School Graduates
