Most changes had small effect sizes( Cohen’ s d < 0.2), meaning differences were minimal. Tracking progress had the largest meaningful improvement( Cohen’ s d = 0.4295, moderate effect). Pearson Correlation:
Moderate consistency across pre- and post-survey results( 0.34 – 0.54 range), suggesting individual variations but overall stable responses.
Analysis of mock vs GCSE results
23 students took part Overall:
ENGLISH INTENSIVES Underachieving shine
• There was an improvement in grades of 9 students( 39 %)
• There was no change in grades of 9 students( 39 %)
• There was a decline in grades of 5 students( 22 %)
Metric Value T-Statistic 0.84 P-Value 0.42 Key Findings:
• No statistically significant difference in final grades between attendees and non-attendees( p > 0.05).
• Pass rates and grade trends were similar for both groups.
• Predicted grades declined slightly over time for both groups, with final grades mostly aligning with last predictions.
17 students took part Overall:
Underachieving girls
• There was an improvement in grades of 4 students( 24 %)
• There was no change in grades of 7 students( 41 %)
• There was a decline in grades of 6 students( 35 %)
1. Underperforming Girls
Value Metric T-Statistic-0.75 P-Value 0.458
Key Findings