Answer: Competence motivation
Explanation: Based on the theory of competence motivation, motivation for achievement is the need to succeed, self-prove, achieve excellence, and is based on the personal sense of competence that people have. Each challenge is a motivation to master certain skills, to achieve success, and after each overcoming of the challenge increases a person's competence. Such mastery of a task, a challenge, can be an incentive to overcome a number of challenges and tasks that a person believes to be competent or able to overcome, and thus realize achievement, success.