Innovation in techniques for teacher commentary on ESL writers’ drafts
Bibliographic record
Abstract
Recent technological advances make computer and Internet tools an attractive alternative to traditional written teacher commentary on students’ academic writing assignments. This presentation will discuss how one such tool was used for oral teacher commentary on the first draft paragraphs of intermediate level English learners’ (B1 in the Common European Framework of Reference for Languages) texts. Analyses of texts from treatment and control groups will show the commentary students received on their first draft, the changes they made to their first draft as reflected in their second draft, and the students’ attitudes towards the tool on each of three writing assignments collected at the beginning, in the middle and at the end of the term. The presenters will conclude by drawing comparisons between the video-based teacher commentary and recent work on written teacher commentary to discuss potential strengths and weaknesses of the technique illustrated in the study.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.058 | 0.158 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.008 | 0.004 |
| Science and technology studies | 0.006 | 0.012 |
| Scholarly communication | 0.009 | 0.007 |
| Open science | 0.004 | 0.012 |
| Research integrity | 0.003 | 0.005 |
| Insufficient payload (model declined to judge) | 0.016 | 0.006 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".