What is motivation?
Motivation is defined as the “psychological forces that determine the direction of a person’s level of effort and a person’s level of persistence in the face of obstacles”
Motivation is in essence what is considered to be what drive behaviour, action and importantly persistence.
Extrinsic Motivation, and
Kanfer, R. (1990). Motivational theory and industrial psychology. In M. D. Dunnette & L. M. Hough (2nd ed.), Handbook of industrial and organizational psychology (pp. 75-170). Palo Alto, CA: Consulting Psychologists Press.