摘要:Aim. In the complex activity of professional athletes, the sports psychologist and the coach can have thefollowing roles: consultant and implementor of psychological training programs, and scientific researcher,investigating the factors that influence the behavior and performance in sport, by implementing and practicing thetasks that are specific to each sport. In performing these roles, the sports psychologist and the coach use variousmethods to investigate the variables of interest, among which the methods and techniques to diagnose individualcharacteristics among professional athletes.Conclusions. A complete assistance endeavor for professional athletes must arrive at a very preciseknowledge of the core psychological level (personality style) of an athlete, but also of the specific elements thatdifferentiate that athlete from others. This way, one can unlock the full potential in the athletes' mind in the line ofmotivation-action-top performing behavior.