Often kids have no idea what they are learning or why they are learning it. Typical when we watch warm-ups. Kids just do things but don't know why in less effective classrooms. Which is effective if positively affects motivation. Sometimes negative with younger children and positive with older.
Effective teachers use wait time effectively.
I'm going to ask you a question. Gives everyone a chance to think. It's a long time to wait. Effective teachers tend to do this. Clearly the assessment of questioning skills will depend on the types of responses you are seeking - drill or reflection.