Relative Difficulty in the Acquisition of the Phonetic Parameters of Obstruent Coda Voicing: Evidence from Mandarin-Speaking Learners of French
Why this work is in the frame
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Bibliographic record
Abstract
A recurring finding of research on the L2 acquisition of coda obstruent voicing is that, in terms of the phonetic parameters that serve to realize the voicing contrast, learners are overwhelmingly more accurate with duration than the voicing of the obstruent itself. The current work expands our understanding of this asymmetry in two ways. First, as previous studies have focused almost exclusively on learners of English, we investigate here whether L2 learners' superior production of duration is also found among learners of other target languages via a study of Mandarin-speaking learners' production of French stop and fricative codas. Results from 18 Mandarin-speaking learners of French, primarily of beginner and intermediate proficiency who completed a sentence reading task, parallel those of previous studies with greater accuracy observed for vowel duration than the laryngeal voicing of the obstruent. Second, we explore potential sources of this asymmetry, in particular, the roles of L1 experience as well as of universal factors, namely, the relative perceptual salience of duration versus voicing, and the articulatory difficulty of voicing obstruents.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| 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 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it