Long-term effects of intensive instruction on fluency, comprehensibility and accentedness
Bibliographic record
Abstract
Abstract We assessed the long-term effects of intensive instruction on different aspects of L2 oral production. Adopting the tridimensional model of oral production (Munro & Derwing, 1995a), we compared high school learners who had received intensive ESL instruction ( N = 42) with non-intensive learners ( N = 39) on perceptual measures of L2 fluency, comprehensibility, and accentedness 4 years after a 5-month intensive instruction period. After controlling for academic ability and L2 proficiency, listeners’ ratings of fluency and comprehensibility were significantly higher for the IG; however, there was no specific group advantage for accentedness, suggesting both groups exhibited similar L2 accents. This study provides new empirical evidence that the oral fluency and comprehensibility benefits of an intensive experience may be long-lasting, even when learners’ subsequent classroom exposure to the language is much more limited.
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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 | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
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".