Duolingo English Test

The Duolingo English Test (DET) is an online, computer-adaptive English proficiency exam used primarily by colleges and universities (especially in the US) as an alternative to TOEFL or IELTS. Format (~1 Hour): Consists of Setup (5 min), an Adaptive Test evaluating reading, writing, speaking, and listening (45 min), and a Video Interview / Writing Sample (10 min). Delivery: Taken 100% online at home on a computer with a webcam and microphone, enforced by strict remote proctoring rules (e.g., screen recording, no notes, face fully visible). Features: Difficulty adjusts dynamically based on your answers, with AI grading and results delivered in 48 hours (valid for 2 years).