In the field of sports, one of the psychological factors that hinder the athlete's optimal performance is excessive anxiety. Anxiety associated with a competitive or competition situation is called competitive anxiety. Treatment is important so that athletes can reduce competition anxiety and optimize their performance in competition. This article discusses the interventions that have been carried out by previous studies to reduce competition anxiety in athletes. The method used is systematic review. Literature criteria used interventions to reduce competition anxiety in athletes. There are 23 works of literature in the form of articles and journals that meet the selection criteria, which were analyzed and translated descriptively. The results of the literature review showed that Self-talk, Guide Imagery, Yoga, Relaxation and Mindfulness proved effective in reducing competitive anxiety in athletes with some similarities in the subject's age criteria, the subject's sports type, and other factors. The treatments were even more effective when combined, such as a combination of relaxation and imagery, or a combination of self-talk, imagery, and relaxation.

The stage of development is the stage where a child begins to grow up from childhood to a more mature stage. The figures in psychology have explained various theories about the importance of adolescent development. Teenagers will go through certain stages to reach maturity. Adolescent development is characterized by physical changes, ways of thinking, language, and socioemotional. Principles from the developmental stage are produced through biology, environment, and experience. Support from parents, school environment, and peers are crucial during the development stage. This article discusses some of the psychological problems which occur among adolescents during the past six years, along with preventive and intervening actions. Neglection, self-harm, smoking behavior, suicidal behavior, substance abuse, eating behavior, sexual behavior, bullying, and the use of internet & games are parts of psychological problems. This article suggests all parties, especially parents and teachers, to have a better understanding of problems among adolescents. Adolescents' mental health needs to be addressed appropriately to help them pass the development stages successfully.

Individuals who experience depression generally have negative thoughts. The purpose of this study was to see the effectiveness of reframing to reduce negative thoughts in depression sufferers with psychotic symptoms. This research uses a qualitative case study approach with one subject. The instruments used were interviews, observations, the Beck Depression Inventory scale, World Health Organization: Disability Assessment Schedule scale, and the Standard Progressive Matrixes test. The treatment given to the subject is cognitive therapy with reframing techniques by changing the way the subject perceives the problem. The intervention was carried out with several stages with results showing that reframing was able to reframe wrong thinking and could be applied to individuals who had below-average intelligence through family assistance and a high desire to recover.