Social identity and cortisol responses to competition in male competitive youth hockey players

Cortisol is a steroid hormone synthesized and secreted by the adrenal glands during experiences of physical and psycho-social stress. Cortisol levels have been found to rise sharply within the context of competitive interactions, yet with noticeable variability among athletes (Casto & Edwards, 2016). Here, we examined whether the degree to which one identifies with one's teammates (known as social identity) and competition outcome explain some...