ウォッシュバック効果：英語のテストが私たちの勉強の仕方をどう変えるか
English tests influence how you study. Learn about the washback effect and how to prepare in ways that improve real communication skills, not just test performance.
DET Japanese / 日本語
日本語でのデュオリンゴ英語テストのためのヒント、練習ガイド、スコア向上の戦略。
Helpful tips, practice guides, and score improvement strategies for the Duolingo English Test in Japanese.
なぜ留学にデュオリンゴ英語試験を選ぶ人が最も急増しているのか
More international students are choosing the Duolingo English Test for its speed, flexibility, and affordability. This post explores why the DET is the fastest-growing English test for study abroad and how new innovations are shaping the future of language testing.
デュオリンゴ英語テスト (DET) 対策ガイド：テスト環境を整える7つの必須ステップ 💡📸
A simple, step-by-step guide to setting up your room, devices, and workspace for the Duolingo English Test. Learn how to avoid invalidations, prepare your secondary camera, and test with confidence — with tips from DET Study.
アメリカのキャリアで理系分野の学位が重要な理由 — 早期に備える具体的なステップ
A caring, student-focused explanation of why STEM majors matter in the U.S. and how early preparation can keep career options open.
複雑な文章でDETスコアアップ
Boost your DET score by mastering complex sentences! Learn how to elevate your writing with sentence combining techniques, subordinating conjunctions, and sentence variety
英文構成力の高め方：トピックと主旨の捉え方
Learn how to master English sentence structure by understanding the balance between topic and controlling idea. Improve your writing skills and prepare effectively for the Duolingo English Test with this detailed guide.
序数：順序や位置の表し方
Struggling with ordinal and cardinal numbers in English? This clear, coach-style guide explains the difference with real-life examples and guided practice to help you use numbers naturally and confidently.
デュオリンゴ英語テスト対策 無料学習資料
A complete list of free Duolingo English Test study materials, including official guides, scoring resources, grammar explanations, and sample questions to help you practice effectively and improve your DET score.
ウォッシュバック効果：英語のテストが学習行動に与える影響
English tests influence how we study. Learn what washback is, how it affects DET prep, and how to keep your preparation positive.
🌍 米国の政治と国際教育の未来
U.S. politics affects student visas and global education. See how DET Study helps you prepare for an uncertain but opportunity-filled future.