Ms Sarah Tan
Strict214 scripts marked · Avg 10.6 / 20 · Delta -1.5 vs cohort
Last active 04 May 2026, 09:58
Per-criterion deviation
Largest drift: Use of Evidence
Argument and Relevance
4.4 vs 5.0 / 8-0.6
Cohort avg · 5.0Max · 8
Use of Evidence
3.1 vs 3.9 / 6-0.8
Cohort avg · 3.9Max · 6
Language Control
3.1 vs 3.2 / 6-0.1
Cohort avg · 3.2Max · 6
Score distribution
Marker vs. cohort baseline — how often each score band is awarded
Low0–8
+13%28%
Mid9–14
+5%60%
High15–20
-18%12%
28% of scripts in the Low band — cohort baseline is 15%. Marker may be applying a stricter interpretation of the mark scheme.
QA scripts
3 / 3 seeded scripts passed
QA-SED-002 Passed
Expected 14·Marked 14 / 20
Matched key exactly.
QA-SED-008 Passed
Expected 11·Marked 10(-1) / 20
Within ±1 tolerance.
QA-SED-014 Passed
Expected 9·Marked 9 / 20
Matched key exactly.
Calibration
No action required
Marker is within acceptable tolerance.
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No seeds placed yet
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