A large body of literature documents the central importance of fidelity of program implementation in creating an internally valid research design and considering such fidelity in judgments of research quality. The What Works Clearinghouse (WWC) provides web-based summary ratings of educational innovations and is the only rating group that is…

This publication supplements the first printed index of pamphlet material. It adds several hundred new titles, lists many publishers submitting their materials for the first time, and lists the numbers of pamphlets in Bulletin 1937, No. 3, which are no longer available. It is hoped that as the directors and organizers of forums and discussion…

Last May the Office of Education organized a list of pamphlet material under the title "Public Affairs Pamphlets." While this tabulation was prepared primarily to meet the needs of the 10 public forum demonstrations then organizing programs of public discussion, it was widely used by libraries, forums of all kinds, social science teachers and…