Question

According to researcher david dickinson, how many back-and-forth exchanges should a teacher strive for in a conversation?

Answer 1

According to researcher David Dickinson, a teacher should strive in five ack-and-forth exchanges in a conversation.

Answer 2

The correct answer is five.
According to David Dickinson, a researcher who was interested in the communication between teachers and students, the optimal number of back-and-forth exchanges that a teacher should have with his student in a conversation is five. Fewer than that is too few; more than that is too many.