1. Evaluation challenges - Reporting

2. 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

5. 80% agreement?

7. (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)

9. Thank you!