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Broughman, Stephen P.; Swaim, Nancy L.; Hryczaniuk, Cassie A. – National Center for Education Statistics, 2011
In 1988, the National Center for Education Statistics (NCES) introduced a proposal to develop a private school data collection that would improve on the sporadic collection of private school data dating back to 1890 and improve on commercially available private school sampling frames. Since 1989, the U.S. Bureau of the Census has conducted the…
Descriptors: Private Schools, Statistical Significance, Sampling, Statistics
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Neiman, Samantha – National Center for Education Statistics, 2011
The National Center for Education Statistics collects data on crime and violence in U.S. public schools through the School Survey on Crime and Safety (SSOCS). This First Look report presents findings from the 2009-10 School Survey on Crime and Safety data collection. Developed and managed by the National Center for Education Statistics (NCES)…
Descriptors: Public Schools, Crime, Safety, School Surveys
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Hinkle, Dennis E.; Oliver, J. Dale – Educational and Psychological Measurement, 1983
In this paper, tables for the appropriate sample sizes are presented and discussed in the context that the determination of the effect size must precede the determination of the sample size. (Author/PN)
Descriptors: Effect Size, Research Methodology, Research Needs, Research Problems
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Buchanan, Anne E.; Romberg, Thomas A. – 1983
This paper documents the achievement monitoring component of a three-year study on the acquisition of addition-subtraction problem-solving skills by young children. A set of performance objectives contained in or ancillary to ten instructional units on sentence-writing for verbal problems and algorithms specified test content. Tests measuring…
Descriptors: Achievement, Achievement Tests, Addition, Data Collection