Question

Which stage of intelligence development is characterized as a "plateau" phase?

Options

• Ages 0-6 years

• Ages 7-20 years

• Ages 20-45 years

• Ages 45+ years

Answer 1

Ages 20-45 years

Explanation:

During young and middle adulthood (ages 20-45), intelligence remains stable at its peak level, forming a plateau phase where cognitive abilities are maintained consistently.