What Is the Main Weakness of Maslow's Hierarchy of Needs

Multiple Choice

What is the main weakness of Maslow's hierarchy of needs and Herzberg's motivation-hygiene theory?

A) They are too complicated to be of any practical value to managers.
B) They do not specify what motivates people.
C) They do not explain why or how motivation is developed and sustained.
D) They offer no improvement from the scientific management theory.
E) They apply only to large organizations and have no value for smaller companies.