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 Framing an evidence based decision about 21st CCLC: How do we see the value? March 27, 2015 Youth Voice and Climate Readiness in Schools October 13, 2023 Linking after-school instructional practices to youth engagement: A pattern-centered approach January 1, 2010