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 Design study for the Summer Learning Program Quality Intervention (SLPQI): Final-year intervention design and evaluation results January 1, 2017 Evaluation of Program Quality and Social and Emotional Learning in American Youth Circus Organization Social Circus Programs January 12, 2018 Findings from the PQA self-assessment pilot in Michigan 21st century learning centers September 11, 2005