What did harry harlow demonstrate in his classic study of attachment amongst baby monkeys?

The monkeys were more attached to the artificial mothers that were warm and soft.

Explanation:

Since monkeys are considered to one of the closest primate to humans, harry Harlow intended to gather information regarding parent-child relations among humans by studying how other primates would behave under similar situation.

The monkeys were more attached to the artificial mothers that were warm and soft indicates that emotional bonding between children and parents in primates starts from early age. Warm and Soft atmosphere provided a sense of comfort for the children that later turned into long time affection to their parents.

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