Final answer:
The term for the psychological theory that encompasses the Hierarchy of Needs, as developed by Abraham Maslow, is Humanistic Psychology.
Step-by-step explanation:
The term for the psychological theory that encompasses the Hierarchy of Needs, as developed by Abraham Maslow, is Humanistic Psychology. Maslow proposed that human beings have certain needs in common and that these needs must be met in a certain order. The highest need is the need for self-actualization, which is the achievement of our fullest potential.