That doesn't prove one causes the other, however. Perhaps we just know our abilities pretty well. This method focuses on strengthening the positive self-expectations parts of the self. Purpose To improve performance by realistically increasing one's expectations. Nothing works like success to increase our confidence.
Actual experience is much more convincing than imaginary experience.
Try to insure success by taking on easy tasks first and then working up to harder assignments. Our expectations are open to persuasion. Reading about successful people builds our hope. By their nature, most self-help books are encouraging. Build confidence and increase your skills at the same time .