List of Articles Open Access Article Abstract Page Full-Text 1 - Prediction of Professional Athletes’ Socio-Emotional Competence Based on the Dark Triad Traits and Distress Tolerance: The Mediating Role of Ego Resilience Nina Shahinnia Yasaman Amiri Sadegh Khodamoradi Open Access Article Abstract Page Full-Text 2 - The Moderating Role of Regular Physical Activity in the Relationship Between Early Maladaptive Schemas and Aggression in Adolescents Niloufar Hosseinian Amiri Open Access Article Abstract Page Full-Text 3 - Investigating The Relationship Between Physical Activity, Sleep Quality And Emotion Regulation In Female Athletes Mahdokht Pirzadeh Alireza Bakhshifar Open Access Article Abstract Page Full-Text 4 - Predicting competitive anxiety based on emotion regulation and perfectionism in taekwondo players Samira Qobakhlou Open Access Article Abstract Page Full-Text 5 - Predicting Competitive Stress Management Based on Mindfulness with the Mediating Role of Perceived Stress in Student-Athletes Mahdi Azemati Mansoor Azemati Mahdi Rajabi