Which school of psychology was most clearly concerned with the adaptive value of complex mental processes?

Learning a second language is easier to do in childhood than in adulthood. This is an

example of __________ periods in perceptual development. Fill in the blanks with correct word

Researchers who examined 18th century medical records in Sweden found that the ____________ was/were the strongest factor in determining adult longevity

a. APOEE4 gene b. level of optimism c. level of hostility d. infant infections