Lili has begun to play "teacher," "mommy," "doctor," and "pilot." Lili is probably in which of Erikson's stages of psychosocial development?

Answer: Initiative vs. guilt

Explanation:

Initiative vs. guilt is the stage of Erickson's theory that defines that children starts to explore things and environment at this stage through interaction. Children try to play make up game, organizing activities, initiate interaction with other etc.

If these activities are suppressed by parents or any adult through criticism or anger then it transforms to guilt.

According to the situation in question, Lili is at the stage of initiative vs guilt where she is initiating the games in which she can play pilot, doctor, mother or teacher to explore their role.