December 22, 2021

How we improved the Duolingo English Test in 2021

Sophie Wodzak Company

November 19, 2021

Announcing the Duolingo English Test’s 2021 Doctoral Award Winners!

Sophie Wodzak Research

September 14, 2021

What if tests were delightful?

Sophie Wodzak Research

September 2, 2021

Why did we deliberately hack the Duolingo English Test?

Mirza Basim BaigSophie Wodzak Engineering

July 21, 2021

Duolingo’s most popular course turned high-stakes test

Sophie Wodzak Research

June 30, 2021

Is the Duolingo English Test fair?

Sophie Wodzak Research

June 14, 2021

How difficult is the Duolingo English Test?

Sophie WodzakRamsey L. Cardwell Research

April 23, 2021

Born Digital: How we leveraged human-in-the-loop AI to create a more secure high-stakes test

Sophie Wodzak Research

March 18, 2021

AQuAA: Innovative quality control for the future of testing

Sophie Wodzak Research

December 16, 2020

Congratulations to the Duolingo English Test’s 2020 Doctoral Award Winners!

Sophie Wodzak Research