<![CDATA[The problem in this research is that teachers are dominant which results in students being inactive and lacking social communication in social studies learning activities. This research aims to apply the problem based learning two stay two stray model through team teaching of lecturers and social studies teachers to increase the activeness and social communication of class IX A students at SMP Negeri 1 Lingsar. The research method uses a qualitative approach, the Class Action Case Method, where data collection techniques are through observation, interviews, documentation which is analyzed following the Miles and Huberman model, stages of data reduction, data presentation and drawing conclusions. The research results showed that in cycles 1 and 2 activities were found: 1) Action planning, namely compiling social studies learning scenarios. Problem based learning two stay two stray model of globalization material, designing learning media, compiling observation sheets; 2) Implementation of actions and observations, namely in cycle 1 the implementation of learning was 90.4%, student activity was 85.34%, student social communication was 82.58%, while in cycle 2 there was an increase in implementation of learning 92.8%, student activity was 90, 79%, student social communication 90.79%; 3) Reflection, namely reflection activities in cycles 1 and 2 by the teaching team of lecturers and teachers regarding the implementation of learning, self-evaluation of lecturers as teachers, input from students who directly experience the Problem based learning two stay two stray model for improvement and strengthening in each cycle.]]>
