According to twin and adoption studies,family life has its strongest influence on intelligence during which period?

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Twin and adoption studies suggest that family life has its strongest influence on intelligence during early childhood, between 3 and 6 years of age. This is when children's brains are developing quickly and they are learning a lot from their environment, including their family interactions and educational experiences. During infancy and toddlerhood, genetics and biological factors have a stronger influence on intelligence development, while during middle childhood, other factors such as school and peer interactions may become more influential.

According to Twin and Adoption Studies,family Life Has Its Strongest