procedure

• Procedure

  • Participants: 16 rhesus monkeys separated from biological mothers.
• • Surrogates:
  • Wire Mother: Provided milk, no comfort.
• • Tests:
  • Time Spent: Monitored the time monkeys spent with each surrogate.
• • tests Stress Test: Introduced a mechanical, threatening object to observe which surrogate was sought for comfort.
• • tests Exploration Test: Placed monkeys in unfamiliar rooms with varying surrogate availability.
• • Cloth Mother: Offered soft tactile comfort, no food.