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The Introduction of Iodized Salt in the 1920s Dramatically Reduced

question 90

Multiple Choice

The introduction of iodized salt in the 1920s dramatically reduced rates of _____ in the United States.


Definitions:

Sensorimotor

Pertaining to the developmental stage (usually from birth to about 2 years of age) in which a child learns to interact with the environment through physical movement and senses.

Preoperational

The second stage in Piaget’s cognitive development theory, characterized by symbolic thinking, egocentrism, and intuitive reasoning in children from about 2 to 7 years old.

Concrete Operational

In Piaget's conceptualization of cognitive progression, a period where children acquire the capacity for logical thought about actual events.

Formal Operational

A stage in Piaget's theory of cognitive development where individuals are able to think abstractly and reason logically.

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