Following the death of a local teenager, melissa came to believe that the teen had been profiled as a potential threat because he was an african-american youth. she decided to join the protests and actively engaged in public demonstrations in her community and high school. according to piaget, melissa has entered the stage of development.

According to Piaget, Melissa has entered the final stage of development.

Explanation:

After following recent death of teenager, Melissa came to realize that the teen has been profiled as a major threat because he was an African American teenager. She finally joined the marches and actively participated in civic and high school mass demonstrations. Melissa entered the final phase of development, as per Piaget.

Formal operation

Explanation:

The Formal operation stage of development begins at approximately age last till adulthood. In this case Mellissa came to believe that the teen had been profiled as a potential threat because he was an African-American youth.

She decided to join the protests and actively engaged in public demonstrations in her community and high school. Since Mellisa can think creatively and use abstract reasoning and predict the outcome of a situation.