Miguel wonders how his friend Diego can wake up at 5:00 every morning to swim laps before school. When he asks about it, Diego replies that he simply wants to realize his highest personal potential in swimming. Diego's explanation is most consistent with ________ theory of motivation.
This theory comprises of a five-tier model of human needs. Its levels are physiological, safety, love, esteem and self-actualization as arranged from the bottom to the top.