Question special

One of my colleagues who has been a student in the flipped classroom mentioned to me that as an introvert and quiet person, she finds the flipped classroom intimidating. While she agrees that it is important for learners to be able to verbally explain concepts and communicate effectively, the dynamic of the classroom seems to favor extroverts. These comments are in line with early concerns about the case method, which has been adopted by business schools worldwide (
How do we make sure to welcome introverts and make sure that it is a welcoming learning environment for all? And furthermore, how do we make sure that we evaluate learners on knowledge and not airtime?