Oklahoma afterschool improvement process: Evaluation of 5 year trajectories REQUEST ACCESS This paper describes validity of QIS performance measures and longitudinal change over four years in Oklahoma 21st CCLC programs. You Might Also Like Quality in the out-of-school time sector: Insights from the Youth PQA validation study January 1, 2006 Final report on the Palm Beach quality improvement system pilot: Model implementation and program quality improvement in 38 after-school programs November 17, 2008 Development and early validation evidence for an observational measure of high quality instructional practice for science, technology, engineering and mathematics in out-of-school time settings: The STEM supplement to the Youth Program Quality Assessment November 24, 2012
