Bonesrønning, Hans; Finseraas, Henning; Hardoy, Inés; … - 2021
years. The intervention includes students aged 7-9 and consists of pulling students from their regular mathematics classes … into small, homogenous groups for mathematics instruction for 3 to 4 hours per week, for two periods of 4-6 weeks per … their performance in mathematics by .16 standard deviations at the end of the school year and by .06 standard deviations in …
