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Download full textIngels, Steven J. – 1991
Some students are excluded from the National Education Longitudinal Study of 1988 (NELS:88) because of an inability, whether due to physical, mental, or linguistic barriers, to participate in studies requiring questionnaire or cognitive test completion. The implications of this exclusion for sample representativeness, national estimation, and…
Descriptors: Cognitive Tests, Data Collection, Disqualification, Eligibility
Ingels, Steven J.; Scott, Leslie A. – 1993
Sample undercoverage issues in the National Education Longitudinal Study of 1988 (NELS:88) are addressed. The main focus is the exclusion of certain categories of student in the base year, 1988, and in in-school follow-up rounds. A subsidiary focus is the question of how adequately transfer students were captured within the sampling procedures of…
Descriptors: Attendance, Data Collection, Eligibility, Followup Studies
Ingels, Steven J.; Owings, Jeffrey A. – 1994
The National Education Longitudinal Study of 1988 (NELS:88) serves as an example of how three specific problems of representativeness in a longitudinal study may be approached and overcome. NELS:88 was designed to provide longitudinal data about the educational transitions experienced by students as they leave eighth grade and move through high…
Descriptors: Attrition (Research Studies), Change, Cohort Analysis, Eligibility
