This study used a research and development (research and development) approach, while the method in this study used a mixed method design sequence, namely qualitative and quantitative methods used in an integrated and complementary manner. This research was a development research, namely the Role Play Technique group guidance model based on RA Kartini's exemplary values to develop early childhood character. The role play technique group guidance model based on the values of RA Kartini developed in this study proved to be effective in improving the character of student responsibility. This is evidenced by the results of feasibility test and the effectiveness test of the RA Kartini values-based group guidance model with a role play technique to improve the character of student responsibility, indicating that the mean pretest mean score when compared with the posttest mean score shows an increase.

Keywords : Effectiveness, Role Playing, Responsibility, Students, Early Age