NBER (April 2024) posted an RCT of Khoaching with Khan Academy – a program integrating computer-assisted learning into classroom math teaching. Despite the positive portrayal of results in the study’s abstract, it found no discernible impact on the prespecified primary outcome – grades 3-8 math scores on the state test after one year.
Journal of Research on Educational Effectiveness (Sept 2024) published an RCT of City Year's WSWC Tier 2 services (e.g., tutoring, mentoring) for at-risk middle school students. This high-quality RCT, evaluating the added benefit of Tier 2 services over City Year’s schoolwide assistance, found no discernible impacts on student outcomes over 1-1.5 years.
NBER (May 2024) posted an RCT of Saga Technology, a program that provides 9th graders with high-dosage math tutoring and engagement with educational technology. This large, high-quality RCT found sizable gains (~86% of a grade-level) in math achievement on end-of-year district tests.
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