Which of the following is (are) the motivating forces(s) with the strongest performance effect? Select one: a. Difficult goals b. High levels of valence and instrumentality c. Perceptions of equity d. Self-efficacy and competence

d. Self-efficacy and competence          

Explanation:

Motivation is described as an individual's urge to act or behave in a certain way that tends to satisfy a few conditions, for example, goals, wishes, or desires.

Self-efficacy is described as a person's belief related to his or her capabilities to perform a specific behavior that is considered necessary to create some "performance attainments".

Competence is described as a specific set of an individual's skills and characteristics that is responsible for improving and enabling his or her efficiency of performing a particular job.

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