What Is Maslow's Hierarchy. Maslow's hierarchy of needs is a motivational theory in psychology; The hierarchy is diagramed as a pyramid starting at the bottom with basic needs that must be satisfied for an.

The theory became very popular in many areas of subjects like science, management, sociology research, and psychology. At this end of the hierarchy, all the needs are ‘deficiency needs’. The needs at the base of the pyramid are physiological desires such as food, water, sleep, and warmth.