Implementation of Project-Based Learning (PjBL) in Collaboration Skills and Communication Skills of Students

This study aims to (1) determine an increase in collaboration and communication skills through project-based learning, (2) determine the relationship of collaboration skills and communication skills through project-based learning. The population of this research is six classes XI MIA and a sample of this research are two classes, an experiment class with project-based learning and a control class with conventional. The instrument of collaboration and communication skills are the observation sheet and questionnaire. Improved collaboration and communication skills were analyzed using normalized gain (N-gain). A collaborative relationship with communication using the correlation test. N-gain results show that project-based learning can improve student’s collaboration and communication skills, each in the medium category. The relationship between collaboration and communication skills shows a positive direction, which means that the more the collaboration skills increase, the better the student’s communication skills.