According to Erikson's theory of psychosocial development, during the stage of adolescence (approximately ages 12 to 18), individuals are primarily focused on developing their identity and establishing a sense of self. This period, known as the "identity vs. role confusion" stage, requires teenagers like Laurie to explore their uniqueness, develop an individual identity, and balance the expectations and acceptance from themselves, peers, and society.
Given the context of Laurie’s experiences—her focus on challenging topics, her stress related to school assignments, and the importance of her relationships and how they impact her sense of self—it can be concluded that all of the provided statements regarding Laurie's developmental stage reflect aspects of Erikson’s theory.
Therefore, the answer is:
All statements are correct.