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연구정보
[교육] The Long-Term Distributional Impacts of a Full-Year Interleaving Math Program in Nigeria
나이지리아 국외연구자료 연구보고서 - NBER 발간일 : 2023-11-15 등록일 : 2023-11-26 원문링크
This study reports the findings from a year-long randomized evaluation assessing the impact of assigning 62 classrooms in Nigeria to receive either blocked or interleaved math problem sets. Blocked practice sessions focused on a single skill at a time. Interleaved problem sets alternated between different skills within a practice session. On tests of short-term retention, interleaved practice increased test scores by 0.29 standard deviations. In contrast, we find no evidence that interleaving improves average performance on a cumulative assessment measuring retention of material over the academic year. We find some evidence of large impacts on the cumulative assessment at the bottom of the distribution, but these impacts appear to be offset by negative impacts at the top.
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