Duolingo is arguably the most popular language learning app available today, as measured by its metric of achieving 500 million downloads in 2020, yet remarkably little research has been conducted regarding its implementation or efficacy as a language-learning tool. The handful of studies that do exist have found positive outcomes, although…

Three studies were conducted to explore machine learning support of novel learning problems. The first was a study of a computer-supported online learning website, which was designed to support teachers improving their pedagogy and this work created a data-first approach for Linguistic pedagogy, and to support improved pedagogy delivery and…