Amount trumps timing in bilingual vocabulary acquisition: Effects of input in simultaneous and sequential school-age bilinguals
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Résumé
Objectives: This study examined the extent to which the language performance of school-age bilingual children is impacted by the amount of language exposure they have received in each language versus the timing of this exposure in terms of the age of first exposure (AoE). Methods: Receptive and expressive vocabulary and word morphology measures were administered in both languages to school-age simultaneous and sequential learners of French (other language English), and to their monolingual counterparts. Data and analysis: The study included 64 children in first grade and 68 children in third grade in French schools in Montreal. Within each grade level, simultaneous bilinguals, sequential bilinguals, and monolinguals were equivalent in age, nonverbal cognition and socio-economic status (maternal education). Detailed information on previous language exposure was gathered by parent report. Conclusions: Simultaneous bilinguals performed somewhat better than sequential bilinguals; however both groups overall performed significantly more poorly than monolinguals. Differences in performance between simultaneous and sequential bilinguals were mediated by differences in amount, not timing, of exposure. Sequential learners in grade 1 required lower amounts of input to reach high French scores than did their simultaneous counterparts; sequential and simultaneous learners in grade 3 did not differ in this respect. This finding suggests that the recency of bilingual exposure is a significant determiner of the rate of second language learning. The amount of exposure to each language since birth predicted performance in each language of the bilingual children. Originality: Bilingual children with different AoEs were compared while also controlling for differences in amount of exposure. Significant implications: The results call into question the traditional separation between simultaneous and sequential bilinguals and shows that an early start of bilingualism does not in and of itself predict better performance or performance within the monolingual range. Better performance was more strongly related to amount than timing of exposure.
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,003 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle