Of or relating to the theories of Melanin Klein, 1882-1960, a German pioneer in child psychology who emphasized infant sexuality and argued that the psychoanalytic technique could be applied to very young children.
克莱茵理论(梅兰尼.克莱茵[1882-1960]是德国儿童心理学的先驱,他强调幼儿的性行为,认为精神分析的技术可以适用于年幼的儿童)。