Answer: 80 percent
Explanation:
According to the experiment conducted by Harlow and his study mates on monkeys , it is seen that exposing monkeys to the fearful situation makes them cling to the cloth mother because they wanted to feel comforted that was provided by cloth surrogate rather than wire mother.
It was observed that 80 percent of the monkeys ran towards the clothe mother even though it did not have milk in startled and scary cases .