The Effects of Stress Mindset, Manipulated Through Serious Game Intervention, on Performance and Situation Awareness of Elite Female Football Players in the Context of a Match: An Experimental Study.

Performance levels in football are ever more important and no longer are just physical, technical, and tactical skills, the ones that make an athlete stand out. Cognitive variables, such as stress-coping, become more important and seem to be explaining differences in performance, for example, through reaching an optimal level of arousal. In addition, it is suggested that stress-coping skills also affect situation awareness (SA), important for decision-making in the complex and dynamic situations in football. This study was conducted to examine how stress-coping skills, such as stress mindset, affect performance and SA in the context of a football match. Twenty elite female football players participated in the study. The final sample size consisted of 15 players for the Stress Mindset Measure (SMM) analysis and 8 players for the multilevel model analyses. Two types of intervention were used to manipulate stress mindset and control over heart rate variability (HRV); a serious game called "Stressjam," and a reflection tool called "Brainjam." Questionnaires for stress mindset and SA and video analysis for performance were used. A total of three matches were assessed. The "Stressjam" intervention resulted in significant differences in stress mindset throughout the intervention [(1,5) = 7.357,  = 0.008]. Subsequently, multilevel analysis showed a positive, strong, and significant correlation between stress mindset, manipulated through "Stressjam" and SA [(14) = 0.69,  = 0.014]. A correlation of practical interest, given the confidence intervals, was found between stress mindset, manipulated through "Stressjam," and performance. Cognitive variables, such as stress-coping, correlate significantly with SA in football. A correlation of practical interest was found between stress-coping and performance. Further research is needed to study the relationship between stress-coping and performance in football.