Adaptive AI‑Driven English Textbooks: Architecture, Training Implications, and Deployment Insights
Executive Takeaway A five‑layer AI architecture for practical English textbooks—knowledge mapping, learner profiling, task generation, feedback orchestration, and teacher‑side governance—delivered a 12.5 % lift in unit‑completion accuracy (72.4 % → 84.9 %), a 10.8‑point gain on speaking assessments, and a 31.6 % reduction in teacher correction time across an 8‑week trial with 186 undergraduates. The system showcases how curriculum‑stable, […]