2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84199Several years ago I reported a survey (Hake 1998a,b,c) of pre/post test data for 62 introductory physics courses enrolling a total of 6542 students. The present article provides a summary of that survey and presents fourteen lessons from the physics-education reform effort that may assist the general upgrading of education and science literacy.39 pages, 2 figures, submitted to "Conservation Ecology" http://www.consecol.org/Journal/, a "peer-reviewed journal of integrative science and fundamental policy research."Physics Educationtext