This term refers to the patterns of who interacts with who in a classroom. The main patterns are: student(s) to teacher, teacher to student(s), student(s) to student(s), student alone. A teacher can choose which is the most appropriate pattern to use in order to achieve the learning aims of different activities.
I started the class with a teacher to students interaction pattern as I gave all the students some information. The students then did some pair work followed by some individual work, and then the lesson ended with them doing some group work. So across the lesson we used four different kinds of interaction pattern.
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