Considering the situation described above, Tarkan is using the "jigsaw classroom technique."
This is because the jigsaw classroom technique is a common technique or strategy used to make students dependent on each other.
The jigsaw classroom technique usually involves categorizing the students into groups and then asking them to solve assignments or classwork.
It usually improves cooperation and collaboration among the students.
Hence, in this case, it is concluded that the correct answer is "jigsaw classroom technique."
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