LearnLens reduces teacher feedback time, with half of teachers previously spending 10–30 minutes per assignment versus a median below 5 minutes with the system¶

Claim · All claims
Evidence · 1 study · design r2 · q2
Currency · newest study 2025 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? In the 30-teacher questionnaire, half of teachers reported spending 10–30 minutes per assignment previously, while the median time with LearnLens falls below 5 minutes; 26 of 30 respondents ranked speed as the top strength. → Runcong Zhao 2025

Evidence¶

Runcong Zhao 2025¶

Runcong Zhao, Artem Bobrov, Jiazheng Li, Cesare Aloisi, Yulan He. (2025). LearnLens: LLM-Enabled Personalised, Curriculum-Grounded Feedback with Educators in the Loop. https://arxiv.org/abs/2507.04295 doi:10.48550/arxiv.2507.04295

q2 · i? · design · r2

Self-reported time comparison from the 30-participant teacher questionnaire (Q12 and Q13). The article reports that "half of teach- ers spent 10–30 minutes per assignment", the median with LearnLens falls below 5 minutes, and 26/30 respondents rank speed as the top strength.

"Q12 shows that half of teach- ers spent 10–30 minutes per assignment, whereas the median withLearnLensfalls below 5 minutes. Q13 echoes this: 26/30 respondents rankspeed as the top strength."

Discussion¶

Related Claims¶

• The AI feedback system returns responses in under a second for MCQs and about six seconds for open-ended questions, and its reusable prompt is roughly 2.77 times more time-efficient to prepare than equivalent educator text — related
• Human scoring and feedback for HDR takes about 11 minutes 30 seconds per learner, while GPT-based scoring and feedback is nearly instant — a broader claim this one bears on
• Teachers rate LearnLens positively across usability, relevance, and accuracy, with all nine Likert items averaging at least 4.1/5 — related