Which of the following is a common psychological strategy to enhance athletic performance?

Visualization is a widely recognized psychological strategy used to enhance athletic performance. This technique involves athletes imagining themselves successfully performing their sport, which can help increase confidence and reduce anxiety. By mentally rehearsing movements and scenarios, athletes can prepare themselves for competitions in a way that strengthens their focus and mental readiness. This form of mental imagery creates a positive mental state and can improve reaction times, decision-making skills, and overall performance.

The other options listed do not fit the category of psychological strategies. Weightlifting, interval training, and speed drills are all physical training methods aimed at improving strength, speed, and endurance respectively. While they are essential components of physical training programs, they do not address the mental aspects of performance enhancement that visualization specifically targets. Therefore, visualization stands out as the correct answer within the context of psychological strategies for athletes.