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 Afterschool quality systems December 23, 2014 The Afterschool Learning at a Distance: Key Themes and Promising Practices July 12, 2020 Full findings from the Youth PQA validation study August 15, 2005