Chaos and Order https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Sat, 04 Jul 2026 00:00:00 GMT https://www.youngju.dev/blog/2026-07-04-why-language-fluency-matters.en What Fluency Really Is — What the Science of Language Acquisition Says https://www.youngju.dev/blog/2026-07-04-why-language-fluency-matters.en Fluency is neither vocabulary size nor grammatical accuracy — it is the automaticity of retrieving language fast enough for real-time communication. Drawing on Krashen's input hypothesis, Cummins' BICS/CALP distinction, and Paul Nation's high-frequency vocabulary research, this piece explains why fluency conflicts with accuracy and how you actually reach it. Sat, 04 Jul 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) languagelearningfluencycommunication https://www.youngju.dev/blog/2026-07-04-why-language-fluency-matters.ja 流暢さとは何か — 言語習得の科学が語ること https://www.youngju.dev/blog/2026-07-04-why-language-fluency-matters.ja 流暢さは語彙量でも文法の正確さでもなく、リアルタイムの意思疎通が可能な速度で言語を取り出す自動化です。クラッシェンのインプット仮説、カミンズのBICS/CALPの区別、ポール・ネイションの高頻度語彙研究をもとに、流暢さがなぜ正確さと衝突するのか、そして実際にどう到達するのかを整理します。 Sat, 04 Jul 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) languagelearningfluencycommunication https://www.youngju.dev/blog/2026-07-04-why-language-fluency-matters 유창함이란 무엇인가 — 언어 습득 과학이 말하는 것 https://www.youngju.dev/blog/2026-07-04-why-language-fluency-matters 유창함은 어휘량도 문법 정확도도 아니라, 실시간 소통이 가능한 속도로 언어를 꺼내 쓰는 자동화입니다. 크라센의 입력 가설, 커민스의 BICS/CALP 구분, 폴 네이션의 고빈도 어휘 연구를 바탕으로 유창함이 정확도와 왜 충돌하는지, 그리고 실제로 어떻게 도달하는지를 정리합니다. Sat, 04 Jul 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) languagelearningfluencycommunication