(A) Chat, Groups, Classroom
(B) Groups, Classroom, Chat
(C) Classroom, Groups, Chat
(D) Chat, Classroom, Groups
When trying to hold synchronous discussions, the correct order from most to least effective is Chat > Classroom > Groups. Chat is the most effective because it allows direct two way communication and Groups is the least effective because it uses emails to hold synchronous discussions.
This question is a part of the Unit 10 Review of the Google for Education Advanced Training. You can find answers to all the Unit 10 Review questions in our Google for Education Advanced Training Answers page.