Rebecca M. Sanford DeRousie|Karen L. Bierman
Examining the sustainability of an evidence-based preschool curriculum: The REDI program
Pennsylvania State University|Pennsylvania State University
study examined extent evidencebased preschool curriculum head start redi sustained 20 teachers year following randomized controlled efficacy trial teachers longer required research project implement curriculum two quantitative measures sustainability teacher ratings redi coach ratings qualitative measure teacher interview collected compared sustainability varied specific curriculum component higher rates sustainability socialemotional component preschool paths language literacy components estimates sustainability affected method measurement redi coach ratings qualitative teacher interviews closely aligned teacher ratings responses qualitative interviews identified main factors teachers thought affected sustainability teacher responses suggest efforts promote sustainability best targeted reducing barriers competing demands rather simply highlighting benefits new curriculum