Acoustic properties of word-final vowels and the acquisition of gender in Spanish-English heritagespeakers
Why this work is in the frame
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Bibliographic record
Abstract
Abstract This chapter explores whether contact-induced reduction in the inventory of Spanish unstressed vowels due to contact with English impacts the development of gender morphology and concord in Spanish-English bilinguals, through the comparison of recent findings from narratives elicited from bilingual adults and children born in the US. Final unstressed /a, e, o/ were acoustically analyzed and noun phrases were grammatically analyzed. Adult early bilinguals displayed a large degree of vocalic overlap but were highly accurate in gender. Children showed variability in their patterns of vocalic overlap and in gender accuracy ranging between 66% to 100%. Results do not offer a strong support for the hypothesis of a phonetic contribution to heritage gender divergence and call for refined analyses of the interaction between phonetics and morphosyntax in gender acquisition.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.003 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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