One of the most popular and long-standing research studies in sports psychology is the "Stanford Prison Experiment." The experiment was conducted by Philip Zimbardo in 1971 to study the psychological effects of becoming a prisoner or prison guard. The experiment, which lasted for two weeks, involved 24 male students from Stanford University. Half were assigned to be prisoners and the other half were assigned to be guards.

The study concluded that people who are given power tend to abuse it, given that they have no restrictions on their behavior.

Another study in sports psychology is "The Goalie's Anxiety at High Stakes." This study was conducted by Professor Patrick J. McGovern Jr., a Harvard University psychologist, and published in 1963. It studied how goalies would feel during high stakes situations like penalty shots or sudden death overtime periods. It found that goalies experience an increase in anxiety levels when they know that there is a higher probability of them making a mistake.

Sports psychology research studies have shown that there are many benefits to using sports psychology techniques. Athletes who use these techniques have been shown to perform better, have higher self-esteem, and lower levels of stress.

This is because sports psychology research studies show that athletes who use these techniques are able to focus on the task at hand and not their fears or insecurities. This allows them to perform better and be more confident during competitions.

Sports psychology is a relatively new field that has been gaining popularity over the last few decades. In the past, athletes, coaches, and managers were not as aware of how to handle these mental aspects of sports and this led to a lot of pressure on them. Sports psychology research studies have helped in understanding what athletes need in order to perform better.

The first major development in sports psychology was the introduction of mental toughness training programs. These programs are designed to help athletes and coaches understand how they can cope with stress and pressure during competition.