What is the view held by many educators concerning external rewards for students? A) They approve of external rewards. B) They don't think external rewards. C) They have doubts about external rewards.D) They believe external rewards can motivate small children, but not college students. 3. According to the result of the study mentioned in the passage, what should educators do to stimulate motivation and creativity? A) Give rewards for performances which deserve them. B) Always promise rewards.C) Assign tasks which are not very challenging.D) Be more lenient to students when mistakes are made.4. It can be inferred from the passage that major universities are trying to tighten their grading standards because they believe ____.A) rewarding poor performance may kill the creativity of students’ B) punishment is more effective than rewardingC) failing uninspired students helps improve their overall academic standards D) discouraging the students anticipation for easy rewards is matter of urgency 5.Which of the following facts about “token economics” is not correct? A) Students are assigned challenging tasks. B) Rewards are given for good performances.C) Students are evaluated according to the effort they put into the task. D) With token economics, students’ creativity can be enhanced.