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Calderdale Excellence Partnership: IPEELL. Evaluation report and executive summary

Torgerson et al. 2018 · randomised trial · touches 1 claim · used in 1 attack

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C19 Metacognitive strategies sets a limit on it
Large school-randomised effectiveness trial (84 English primary schools) of IPEELL, a Self-Regulated Strategy Development writing programme with cascade-trained teachers: writing g = -0.09 after one year and 0.11 after two (neither significant); after two years KS2 reading -0.17, maths -0.30, spelling/grammar -0.28 (all significant). End-of-programme outcomes, no follow-up. C19 weakened 2026-11-15. Full text read.