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Download full textPage, Stephen, Ed.; Shaw, Danielle, Ed. – Laboratory for Student Success (LSS), The Mid-Atlantic Regional Educational Laboratory, 2004
Beginners in many disciplines learn that correlation never proves causation, but sometimes, even in public health, correlation, mistaken for causation, becomes the basis for policy and great expenditures of public and private money. "True experiments" with random assignment to experimental and control groups hold a special place in the…
Descriptors: Conference Papers, Teaching Methods, Federal Legislation, Statistical Studies
