Jigsaw Cooperative Learning Model, this model was firstly introduced by Aronson, et al. (1978). Moskowits, et
al.(1985) wrote this model with the topic Evaluation of Jigsaw, a Cooperative Learning Technique. Furthermore
Jigsaw learning model is also explained by Mattingly & Vansickle (1991) with the topic Cooperative Learning and
Achievement in Social Studies: Jigsaw II. In this Jigsaw cooperative learning model type, the students study in
heterogeneous group with the members of 4 to 6 people, which called home team. Every group member is
responsible for the mastering of the part from learning material which assigned for him, then teaches that part to the
other group members. Every group member who assigned in mastering that material part is called expert.