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| Correlation | 2 |
| Drug Use | 2 |
| Sample Size | 2 |
| Sampling | 2 |
| Archives | 1 |
| Elementary Secondary Education | 1 |
| Estimation (Mathematics) | 1 |
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| High School Students | 1 |
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| Multivariate Analysis | 1 |
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| Evaluation Review | 2 |
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Peer reviewedDent, Clyde W.; And Others – Evaluation Review, 1993
A method is presented to use school-level attributes in sample description and random assignment of schools to conditions in drug prevention programs. Utility of archival data was examined using multivariate canonical techniques, and it was found that a small set of data could predict observed variations in drug use. (SLD)
Descriptors: Archives, Correlation, Drug Use, Elementary Secondary Education
Peer reviewedDent, Clyde W.; Sussman, Steve Y.; Stacy, Alan W. – Evaluation Review, 1997
Differences between means, variance, and correlation parameter estimates from a full school sample and samples restricted by parental consent were studied with 1,609 students at continuation high schools and 1,192 at traditional high schools. Sample bias due to consent policies may not be a substantive problem, especially if a telephone consent…
Descriptors: Correlation, Drug Use, Estimation (Mathematics), High School Students
