Question

Which statement is most accurate about family size and intelligence?

Options

• All large families have less intelligent children.

• Family size is the only factor affecting intelligence.

• Family size is one of many factors; not all large families show lower scores.

• Family size has no effect on intelligence.

Answer 1

Family size is one of many factors; not all large families show lower scores.

Explanation:

Multiple factors (nutrition, schooling, parenting) influence intelligence beyond family size.