The Research on altruism focuses on fitness in ethology, and it has undergone three breakthroughs in theory The kin selection theory explains the altruism to close relatives, making use of coefficient of relationship The reciprocity theory explains reciprocal altruism, making game models The docility theory accounts for pure altruism, basing on human docility and bounded rationalit
驯顺性理论在受限理性的基础上 ,比较社会强加给个体的利他主义要求与通过驯顺性获得的有利知识和技能 ,解释了纯粹利他现象。