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 Moving the needle on moving the needle: Next stage technical guidance for performance based accountability systems in the expanded learning field with a focus on performance levels for the quality of instructional services December 1, 2013 Measuring youth skills in expanded learning systems: Case study for reliability and validity of the YDEKC skill measures and technical guidance for local evaluators January 2, 2013