Evaluation challenges - Reporting

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Presentation transcript:

Evaluation challenges - Reporting

Informally, a p-value is the probability under a specified statistical model that a statistical summary of the data (e.g., the sample mean difference between two compared groups) would be equal to or more extreme than its observed value. American Statistical Association

80% agreement?

(95% confidence interval) Estimated months’ progress Subject area Group Effect size (95% confidence interval) Estimated months’ progress EEF security rating EEF cost rating Mathematics Treatment vs. control +0.09 (-0.04, 0.20) 1 £ Treatment vs. control (FSM only) +0.16 (0.01, 0.30) 2 n/a Science +0.12 (0.01, 0.23) +0.11 (-0.04, 0.26) English +0.15 (0.00, 0.30) +0.12 (-0.07, 0.30)

Thank you! Danielle.mason@eefoundation.org.uk