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Download full textSubstance Abuse and Mental Health Services Administration (DHHS/PHS), Rockville, MD. Office of Applied Studies. – 2002
This publication presents estimates of drug-related emergency department (ED) episodes from the Drug Abuse Warning Network (DAWN) from 1994 through the first half of 2001. DAWN is an ongoing, national data system that collects information on drug-related visits to EDs from a national probability sample of hospitals. This publication marks a major…
Descriptors: Data Collection, Drug Abuse, Hospitals, Incidence
Peer reviewedMarkel, William D. – School Science and Mathematics, 1985
The concept of statistical significance is explained, with specific numerical illustrations. (MNS)
Descriptors: Educational Research, Mathematical Concepts, Probability, Research Methodology
