The knowledge of binding principles in early child grammar: Experimental evidence from 30-month-old toddlers
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Bibliographic record
Abstract
We investigated toddlers’ understanding of the hierarchical syntactic configurations that constrain the referential meanings of reflexives and pronouns. In particular, reflexives must co-refer with the c-commanding antecedent within the local domain (Principle A) (e.g., Hei washes himselfi. Johni knows that Billj likes himselfj.), and pronoun reference must be disjoint from its local c-commanding antecedent (Principle B) (e.g., Hei washes himj. Johni knows that Billj likes himi.). French-learning 30-month-olds participated in an eye-tracker task. In Experiment 1 each trial presented a simple sentence containing a reflexive or a pronoun and a target verb (e.g., Ili sei/lej lave. “hei washes himselfi/himj”), while displaying side-by-side pictures depicting self- directed versus other-directed actions of the target verb. Experiment 2 tested the locality conditions of the principles using complex sentences, with the target verb and the reflexive/pronoun appearing in the embedded clause (e.g., Le bébéi voit que le papaj sej/lei lave. “The babyi sees that the dadj washes himselfj/himi”); the pictures were those of Experiment 1, with the patient of the verb being the local antecedent in the embedded clause versus the non-local antecedent in the matrix-clause. Experiment 3 tested the c-commanding requirements of the principles with sentences containing a complex subject, a reflexive/pronoun and a target verb (e.g., Le bébéi du papaj sei/lej lave. “The babyi of the dadj washes himselfi/himj”). In the pictures the patient was the linearly farther versus closer antecedent. Eye-gazes to action images showed adult-like interpretations across sentential structures, demonstrating that binding principles are in child grammar during age two.
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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) | 0.002 | 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 it