There is no comprehensive database of U.S. district-level test scores that is comparable across states. We describe and evaluate a method for constructing such a database. First, we estimate linear, reliability-adjusted linking transformations from state test score scales to the scale of the National Assessment of Educational Progress (NAEP). We…

The past century has seen spectacular gains in the breadth and depth of medical knowledge, but the potential of these gains has been hampered by a slow system of disseminating knowledge. Over the course of medical education numerous technologies and methods have been used to deliver continuing medical education (CME) to health care professionals…

Discusses a "silent menace" in school computer rooms--the potential misuse of databases containing student directories, teacher salary information, test scores, and other data. Describes administrative computer uses and possible abuses, including invasion of privacy, false correlations between data sets, and manipulation of data for questionable…