Two Core Ideas in Maslow's Hierarchy of Needs Motivation Theory

Two core ideas in Maslow's hierarchy of needs motivation theory are, first, at any given time some needs are more important to an individual than are other needs and, second,

A) the fixed-interval schedule of reinforcement is most effective in matching behaviour to organisational expectations.
B) satisfied needs are no longer motivators.
C) each level of needs must be nearly 100 per cent satisfied before individuals turn their attention to the next level.
D) sooner or later everyone works their way through all five levels of the need hierarchy.