The Best Evidence Encyclopedia is a free web site created by the Johns Hopkins University School of Education's Center for Data-Driven Reform in Education (CDDRE) under funding from the Institute of Education Sciences, U.S. Department of Education. It is intended to give educators and researchers fair and useful information about the strength of the evidence supporting a variety of programs available for students in grades K-12.
An encyclopedia of philosophy articles written by professional philosophers. founded in 1995. The Encyclopedia receives no funding, and operates through the volunteer work of the editors, authors, volunteers, and technical advisers. staff of 30 editors and approximately 300 authors hold doctorate degrees and are professors at colleges and universities around the world, most notably from English-speaking countries.