Answer:
formal operational stage of development.
Explanation:
Formal operational stage of development -
It is the stage of adulthood , starts from the age of twelve till the age of adulthood .
In this stage of child development , the child tends to attain new and fresh ideas and use his or her mind in order to manipulate many activities and tasks. The child starts to think in a creative manner and starts to learn many new things.
Hence, from the given scenario of the question, Lisa is in the formal operational stage of development.