The Maslow's Need Hierarchy Is Different from Alderfer's ERG Theory

Multiple Choice

The Maslow's need hierarchy is different from Alderfer's ERG theory in that

A) ERG theory states that various needs operate simultaneously.
B) Maslow's hierarchy has more scientific validity.
C) Maslow's hierarchy states that once a need is satisfied, it acts as a powerful motivator.
D) ERG theory focuses on five levels of need.
E) ERG theory reminds managers of the types of reinforcers that can be used to motivate people.