In what ways do both parents and strangers perceive differences between male and female infants?

According to a well-known proverb, “Beauty is in the eye of the beholder.” Apparently, the masculinity or femininity of an infant is also in the eye of the beholder. In what ways do both parents and strangers perceive differences between male and female infants? Five-year-old Darlene is playing with a doll. How do social learning theory and the cognitive developmental approach explain her behaviour?

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