ABSTRACT
Penelitian ini bertujuan untuk melihat pengaruh persepsi atlet terhadapkohesivitas timnya terhadap ketangguhan mental pada atlet mahasiswa. Beberapapenelitian sudah meneliti tentang hubungan antara persepsi kohesivitas tim danketangguhan mental, namun belum ada penelitian mengenai pengaruh dari salahsatu konstruk pada atlet mahasiswa di Indonesia. Partisipan berjumlah 234 (140laki-laki dan 94 perempuan) atlet mahasiswa yang telah bergabung dalam timolahraga universitas lebih dari 6 bulan dan memiliki pengalaman bertandingtingkat nasional di Indonesia.Penelitian ini menggunakan alat ukur Mental Toughness Inventory yangdikembangkan oleh Middleton, Marsh, Martin, Richards, dan Perry, C. (2005)untuk mengukur ketangguhan mental dan Group Environment Questionnaireyang dikembangkan Carron, Widmeyer, dan Brawley (1985), untuk mengukurpersepsi kohesivitas tim. Teknik analisis yang digunakan adalah statistikdeskriptif dan simple regression. Hasil analisis simple regression menunjukanadanya pengaruh yang signifikan dari persepsi atlet terhadap kohesivitas timterhadap ketangguhan mental.

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ABSTRACT
The aim of this study is to investigae the effect of perception of teamcohesion towards mental toughness among scholar atheletes. Some researcheshad studied about the relationship between perception of team cohesion andmental toughness, however there is no research that has studied about the effectbetween one of the constructs amongst scholar athletes in Indonesia. There were234 participants (140 male and 94 female) who are scholar athletes, have joinedthe university?s sport team more than 6 months, and have an experience innational tournaments in Indonesia.This research used Mental Toughness Inventory, which was developed byMiddleton, Marsh, Martin, Richards, and Perry, C. (2005) to measure mentaltoughness and Group Environment Questionnaire which was developed byCarron, Widmeyer, and Brawley (1985) to measure perception of team cohesion.The analysis technique used in this research were descriptive statistic and simpleregression. The result of simple regression anaylsis showed that there is an effectof perception of team cohesion towards mental toughness.