AI Tends to Mark Students’ Essays Higher Than Humans, Study Shows
Source: Inside Higher Ed· Susan H. Greenberg· August 27, 2026
SynaBot summary
New research indicates AI grading systems consistently assign higher scores to student essays compared to human instructors. This suggests AI's current capabilities may not accurately reflect student understanding or performance levels.
Key takeaways
- AI grading systems inflate student marks compared to human evaluators.
- AI cannot reliably assess true student performance.
- Over-reliance on AI for evaluation poses risks.
- Human oversight remains essential for accurate assessment.
Why it matters
For professionals integrating AI into workflows, this highlights a critical limitation. Relying on AI for evaluating written work could lead to misjudgments of quality and employee skill, impacting performance reviews and development.
This story was reported by Inside Higher Ed. Read the full original article:
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