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Li, Linlin; Luttgen, Kim; Huang, Kevin; Weiser, Gary; Cornfield, Olivia; Hess, Hopeton; Chow, Eunice; Schneider, Megan – WestEd, 2020
School closures because of natural phenomena, such as COVID-19, underscore the importance of effective distance learning strategies when there are no in-school alternatives. Our study describes the implementation of a multimedia science program before and after school closure due to COVID-19 in a variety of ways depending on schools'…
Descriptors: COVID-19, Pandemics, School Closing, Distance Education
Wang, Haiwen; Woodworth, Katrina – Society for Research on Educational Effectiveness, 2011
This study applies a randomized controlled trial to examine the effects of supplemental instruction using two online mathematics curricula--DreamBox and Reasoning Mind. It is an independent evaluation intended to generate unbiased results that will help inform the ongoing development of a charter school network's hybrid instructional model, which…
Descriptors: Electronic Learning, Charter Schools, Mathematics Achievement, Mathematics Tests
Jamgochian, Elisa; Park, Bitnara Jasmine; Nese, Joseph F. T.; Lai, Cheng-Fei; Saez, Leilani; Anderson, Daniel; Alonzo, Julie; Tindal, Gerald – Behavioral Research and Teaching, 2010
In this technical report, we provide reliability and validity evidence for the easyCBM[R] Reading measures for grade 2 (word and passage reading fluency and multiple choice reading comprehension). Evidence for reliability includes internal consistency and item invariance. Evidence for validity includes concurrent, predictive, and construct…
Descriptors: Grade 2, Reading Comprehension, Testing Programs, Reading Fluency