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Peer reviewedPowers, Stephen; And Others – Journal of Educational Measurement, 1983
The validity of the equipercentile hypothesis of the Title I Evaluation and Reporting System norm-referenced evaluation model was examined using 3,224 seventh- and ninth-grade students. Findings from confidence interval procedures contradicted the equipercentile hypothesis. There was a pattern of large gains for students not receiving any special…
Descriptors: Achievement Gains, Evaluation Methods, Evaluation Needs, Hypothesis Testing
Peer reviewedAngle, John – Sociological Methods and Research, 1979
This paper poses a research question about how a person's work experience affects his or her earnings and shows how the Cumulative Experience Method (CEM) can provide an answer to the question using all available information in a longitudinal data set. (Author/GDC)
Descriptors: Experience, Income, Longitudinal Studies, Mathematical Models
Download full textHenderson, Louise B.; Allen, Danny R. – 1981
The data entry quality control procedures in discrete data entry tasks in the National Longitudinal Study (NLS) Fourth Follow-Up Survey are examined. Direct data entry terminals were used to key survey questionnaire item responses, telephone interview corrections, respondent background information and supplemental questionnaire responses into…
Descriptors: Data Analysis, Data Processing, High School Graduates, Information Storage
