Final answer:
People may engage in repeated self-injury to temporarily reduce negative emotions, known as emotion-focused coping.
Step-by-step explanation:
The subject of this question is Psychology.
One prominent explanation of repeated self-injury (e.g., cutting) is that people do it because it produces a short-term reduction in the intensity of negative emotions that they are feeling. This behavior is known as emotion-focused coping. Emotion-focused coping involves efforts to change or reduce negative emotions associated with stress, such as seeking something positive in a negative event or distracting oneself from the problem.