Researchers such as Baillargeon have found that infants' perceptual abilities are highly developed much earlier than Jean Piaget proposed. These researchers conclude that infants see objects as bounded, unitary, solid, and separate from their background by of age.

3-4 months

Explanation:

Researchers such as Baillargeon have found that infants' perceptual abilities are highly developed much earlier than Jean Piaget proposed. These researchers conclude that infants see objects as bounded, unitary, solid, and separate from their background by 3 - 4 months of age.

Contrary to Piagets theory that suggest that infants show perceptual ability at 8-12 months of age in the sensorimotor stage, researchers such as Baillargeon have reported that infants perceptual abilities are developed as early as 3-4 months of age.

u.s. presidents buried at arlington national cemetery include john f. kennedy and william howard taft. the kennedy gravesite is the final resting place not only of the former president, but also his wife jackie kennedy, his two brothers robert and edward kennedy, as well as a memorial to his brother joe jr.good luck

explanation:

answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’