attribution (1) association (1) Competitions (1) Testosterone (1) Struggle (1) Sports (1) Social groups (1) Self-evaluation (1) Satisfaction (1) Performance (1) Martial artists (1) Hydrocortisone (1) Hormones (1) Contests (1) Competition (1) Clubs (1) Attribution (1) Influence (1) Societies and clubs (1) Sports (1) Mood (1) Performance (1)