Year-on-year change
-2.0%
2023 to 2024
Time Series Analysis
Track changes in question difficulty and discrimination from 2016 to 2024
Average facility by year
Are SATs papers getting harder or easier?
Each point links into the matching year slice so you can move from macro trend to question-level evidence.
Average discrimination by year
How well do questions differentiate ability?
This series is useful for spotting years where papers separated stronger and weaker pupils more clearly.
Strand performance over time
Top 5 strands by frequency
Use this view to spot strands that are drifting down even when the overall average stays steady.
Key insights
Automatic pattern summary
These metric cards are compressed interpretations of the trend data, useful for a fast read before drilling down.
Overall change
-1.5%
2016 to 2024
Latest discrimination
0.54
Average for 2024