Answer:
According to Lawrence Kohlberg, the age at which children achieve an understanding of gender as invariant across situations occurs at the same time when children begin to succeed on Piagetian conservation problems. Kohlberg argued that both achievements reflect the same stage of thinking.
Step-by-step explanation:
From the point of view of L. Kolberg, the formation of a gender stereotype begins in the preschool years and depends on the general intellectual development of the child. This process is associated with the manifestation of self-categorization: assimilation of the idea of a man - a woman, defining oneself in one of these qualities, aligning one's behavior with the standard.