These studies frequently rely on protocol called the Ainsworth Strange Situation, in which the pet explores an unfamiliar environment alone, with its owner, or with a stranger.

这些研究经常依赖于称为 Ainsworth Strange Situation 的协议， 在该协议中， 宠物独自探索一个陌生的环境， 与主人或陌生人一起探索。