How Does ERG Theory Differ from Maslow's Need Theory

Multiple Choice

How does ERG theory differ from Maslow's need theory

A) ERG theory provides a rigid hierarchy of needs in which one must move up the hierarchy in a lock-step fashion.
B) Maslow's need theory assumes that a lower-level need must be gratified before a higher-level need becomes motivational.
C) ERG theory states that if individuals are unable to satisfy a higher-level need, the desire to satisfy a lower-level need will decrease.
D) Maslow's need theory has the basic premise that physiological needs have the greatest motivating potential.