One important concept in psychology is self-efficacy. Below is a self-efficacy definition:
Self-efficacy is the belief that one is capable of accomplishing something successfully.
There may be different types of self-efficacy. For example, communicative self-efficacy can be viewed as the belief that one is able to communicate effectively. Moreover, creative self-efficacy can be viewed as the belief that one is able to develop creative ideas. Also, leadership self-efficacy can be viewed as the belief that one can be an effective leader.
Self-efficacy may be an important concept because it may motivate a person to achieve a goal or complete a task.