Mr. willis separates his students into four teams that each represent four different perspectives on a social issue. each group is to establish an argument supporting why their perspective is correct and then present the information to the class. after each group presents their perspective, mr. willis guides the class through a period of analyzing and questioning each perspective. which type of collaborative learning approaches has mr. willis utilized?

both cooperative learning and problem-centered instruction

Explanation:

The collaborative learning method refers to the process of learning in which the group of students involves a particular problem to solve it or to accomplish any specific task. It is believed that learning is a process involving continuous involvement and is considered a social act altogether. In the given case, Mr. WIllis has used both cooperative learning and problem-centered instruction. By separating the students and then collaborating to a conclusion, he used the method of cooperative learning. At the same time, he gave the instruction centered on the problem.