成人における語彙頻度が初期L2構文獲得に果たす促進的役割
Noèlia Sanahuja1, Kepa Erdocia1
1University of the Basque Country, Micaela Portilla Research Centre, Justo Vélez de Elorriaga 01, 01006, Vitoria-Gasteiz, Spain.
Acta psychologica
|February 8, 2026
まとめ
高頻度語は、活性化を高めることで、類似しない構造の第二言語(L2)獲得を助けるが、L1転移に依存する類似構造は助けない。これはL2学習と指導戦略に影響を与える。
科学分野:
- 心理言語学
- 第二言語習得(SLA)
- 認知神経科学
背景:
- 高頻度語は、より強い神経活性化により、より速く処理される。
- MOGULフレームワークは、より高い語彙活性化が構造学習を強化すると仮定している。
- L2構文構造獲得における語彙頻度の役割は十分に理解されていない。
研究 の 目的:
- 語彙頻度の違いが成人におけるL2構造獲得を促進するかどうかを調査すること。
- 異言語間構文類似性がこの促進を調節するかどうかを判断すること。
- L2構文学習における語彙促進の根底にあるメカニズムを探求すること。
主な方法:
- 構造探索課題により、88人のスペイン語母語話者にスペイン語・ガリシア語の類似構造と類似しない構造を提示した。
- スペイン語での頻度が、高または低のガリシア語動詞を使用した。
- 文法性判断課題により、習得した構造の学習を評価した。
主要な成果:
- 参加者はスペイン語・ガリシア語の構造の両方を習得した。
- 高頻度動詞の活性化向上は、類似しないL2構造の獲得を促進した。
- 類似L2構造ではこの促進は見られず、L1転移が示唆された。
結論:
- 語彙処理、特に高い語彙頻度は、特に類似しない構造のL2構文獲得を促進することができる。
- 異言語間構文類似性は、L1転移を可能にすることにより、語彙頻度の効果を上回ることができる。
- これらの発見は、L2学習メカニズムに関する洞察を提供し、語彙と文法の指導を最適化するための潜在的な教育的応用を提供する。
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