Answer:
Increase the employees' self-efficacy
Explanation:
Self-efficacy was originally proposed by psychologist Albert Bandura. It is ones personal judgement or belief in his capacity to execute actions or behaviors necessary to attain specific performance goals. In the above example, the motivational speaker is trying to boost the self efficacy of the employees by helping them remember the everything they have been in successful in and thereby boosting their motivation that they have the capacity to achieve more success in whatever situation or challenge they are facing now.