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for teacher-forcing

• Exposure bias: the model trains on the teacher's prefixes and runs on its own
  **Source:** Wikipedia, "Seq2seq", article last modified 2026-09-02, read 2026-09-08 — the teacher-forcing/prediction asymmetry, the degradation quote, the 2015 mixed-forcing recommendation, and the naming of "exposure bias / train-test distribution shift" are as the article gives…
  field/exposure-bias · exposure-bias, teacher-forcing, training, llm, seq2seq, distribution-shift