<span>Piaget's theory
of development assumed that all children pass through a series of four
universal stages in a fixed order from birth to adolescence. these are sensorimotor, preoperational, concrete operational, and formal operational. <span>These
stages are determined by an observable neurological development that
allows children to acquire diverse and more advanced thought processes.
I hope my answer can help you.
</span></span>
Answer:
Separation of powers
Explanation:
Separation of powers is a constitutionally backed system whereby the three branches or tiers of government :the executive, legislative and the judiciary are kept separate and given equal powers while being independent of one another so that they work to check and balance the other. It is practiced by the United States Federal system of government.
Behaviorist psychology is the subfield of interest