https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, and data engineering — plus mindset essays on confidence, routines, health, and sport psychology. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Mon, 20 Jul 2026 00:00:00 GMT https://www.youngju.dev/blog/mindset/confidence-is-a-skill.en https://www.youngju.dev/blog/mindset/confidence-is-a-skill.en The moment you believe confidence is a personality trait, you stop training it. Sports psychology treats confidence as a repeatable skill. This post covers the four sources of confidence in Bandura's self-efficacy theory, the mastery-experience design and self-talk training that world-class athletes actually use, and how to apply it all to a developer's daily life: interviews, presentations, and incident response. Mon, 20 Jul 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) mindsetconfidencesports-psychologyself-efficacyself-improvement https://www.youngju.dev/blog/mindset/confidence-is-a-skill.ja https://www.youngju.dev/blog/mindset/confidence-is-a-skill.ja 自信を性格だと信じた瞬間、訓練をやめてしまいます。スポーツ心理学は自信を反復可能なスキルとして扱います。バンデューラの自己効力感理論が示す自信の4つの源泉、世界的な選手が実際に使う成功体験の設計法とセルフトーク訓練、そしてそれらを開発者の日常(面接、発表、障害対応)に応用する方法までまとめました。 Mon, 20 Jul 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) mindsetconfidencesports-psychologyself-efficacyself-improvement https://www.youngju.dev/blog/mindset/confidence-is-a-skill https://www.youngju.dev/blog/mindset/confidence-is-a-skill 자신감을 성격이라고 믿는 순간 훈련을 멈추게 됩니다. 스포츠 심리학은 자신감을 반복 가능한 기술로 다룹니다. 반두라의 자기효능감 이론이 말하는 자신감의 4가지 원천, 세계적인 선수들이 실제로 쓰는 성공 경험 설계법과 셀프토크 훈련을 개발자의 일상(면접, 발표, 장애 대응)에 적용하는 방법까지 정리했습니다. Mon, 20 Jul 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) mindsetconfidencesports-psychologyself-efficacyself-improvement https://www.youngju.dev/blog/mindset/confidence-is-a-skill.zh https://www.youngju.dev/blog/mindset/confidence-is-a-skill.zh 当你相信自信是一种性格时，你就停止了训练。运动心理学把自信当作一项可重复的技能来对待。本文梳理了班杜拉自我效能感理论所说的自信的四大来源、世界级运动员实际使用的成功经验设计法和自我对话训练，以及如何把这一切应用到开发者的日常(面试、演讲、故障处理)之中。 Mon, 20 Jul 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) mindsetconfidencesports-psychologyself-efficacyself-improvement