Keterlibatan belajar merupakan salah satu variabel yang memiliki peran terhadap kesuksesan akademis dan mencegah putus kuliah. Dalam perspektif Self-Determination Theory SDT , keterlibatan belajar merupakan hubungan dialektik antara lingkungan belajar dengan kebutuhan dasar psikologis. Teman sebaya sebagai agen di lingkungan belajar memiliki peran dalam keterlibatan belajar terutama di perguruan tinggi. Tujuan penelitian ini untuk menguji peran mediasi pemenuhan kebutuhan dasar psikologis terhadap hubungan dukungan makna belajar dari teman sebaya dan keterlibatan belajar mahasiswa. Partisipan penelitian sejumlah 736 mahasiswa semester 2 pada Rumpun Ilmu Sosial, Rumpun Matematika dan Ilmu Pengetahuan Alam, dan Rumpun Ilmu Teknik di Universitas Negeri Jakarta. Penelitian ini menggunakan metode pengambilan data dengan kuesioner dan menggunakan metode olah data IBM Statistic SPSS 20: Process Macro by Andrew Hayes. Alat ukur yang digunakan dalam penelitian ini adalah The Brief Personal Meaning Profile Wong, 2012 mengukur dukungan makna belajar dari teman sebaya, Engaged Learning Index Schreiner Louis, 2006 mengukur keterlibatan belajar, Basic Psychological Needs Satisfaction Scale Deci Ryan, 2000 mengukur pemenuhan kebutuhan dasar psikologis. Hasil penelitian menunjukkan bahwa pemenuhan kebutuhan dasar psikologis memiliki peran mediasi parsial terhadap hubungan dukungan makna belajar dari teman sebaya dan keterlibatan belajar mahasiswa.

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AbstractStudent engagement in the learning process has a role in the academic success and prevent drop out. According to Self Determination Theory, student engagement is the result of dialectical relationship between learning environments and the basic psychological needs satisfaction. Peers as an agent in the learning environment has a role influencing student engagement in learning including student in higher education. The purpose of this study was to examine the role of basic psychological needs satisfaction as a mediator between peers support meaning in learning and college student engagement. Respondents in this study were 736 freshman from State University of Jakarta. Engaged Learning Index Schreiner Louis, 2006 was used to measure college student engagement, The Brief Personal Meaning Profile Wong, 2012 was used to measure peers support meaning in learning, and Basic Psychological Needs Satisfaction Scale Deci Ryan, 2000 was used to get the data of basic psychological needs satisfaction. The process macro by Andrew Hayes for SPSS was used to test the mediation variable. The result of the study indicated that basic psychological needs satisfaction partially mediated the relationship between peers support meaning in learning and college student engagement.