"... not allowing students to learn fast and enjoy the ride when teaching second languages can also have other negative impacts on their learning outcomes. For instance, there has been evidence that classroom techniques designed to get students to participate in the learning process produce better educational outcomes at virtually all levels."...

https://news.harvard.edu/gazette/story/2019/09/study-shows-that-students-learn-more-when-taking-part-in-classrooms-that-employ-active-learning-strategies/

- University of Hardvard