For me personally, if I have the opportunity to ask questions, I will think of questions to ask and as a byproduct, think about the lecture more critically. If

For me personally, if I have the opportunity to ask questions, I will think of questions to ask and as a byproduct, think about the lecture more critically. If I am unable to ask questions, I am less likely to think critically. Of course, I have just realized this and now that I am aware of this, I can possibly put a stop to this and get more out of video lectures and even real life lectures where questions are discouraged.