Using brainstorm effectively is a Teacher-centered Approach Learner-centered Approach Behaviouristic Approach Subject-Centered ApproachAiv onlyBii onlyCAllDii, ivAnswer: B. ii only Read Explanation: BRAINSTORMINGFirst coined by Osborn in 1953. Learner/student centered approach.Storm of ideas.A group process of creative problem solving. Generation of ideas quickly.Hitch Hiking, free wheeling, say now think later.Extremely learner centric. Read more in App