In the context of Erikson's stages of psychosocial development, Laurie's situation appears to primarily align with the conflict of Industry versus Inferiority, which occurs during the school-age years (typically ages 6 to 12), but can extend into adolescence as well. This stage is characterized by the development of a sense of competence and achievement through success in school and social interactions.
Laurie's recurring illness and stress related to her school assignments, particularly her tendency to choose difficult topics and procrastinate, suggest that she may be struggling with feelings of inferiority when she is unable to meet her own or her perceived academic expectations. The pressure of producing high-quality work might be affecting her sense of industry, leading to the symptoms she experiences.
While Identity versus Role Confusion (a key conflict for adolescents) could also be relevant as Laurie navigates her identity as a student and individual facing academic pressure, the immediate concerns in this case seem more centered on her academic performance and the stress it induces rather than identity formation.
Intimacy versus Isolation might apply to Laurie's relationships, but within the context of this case study, it does not seem to be the primary influence on her symptoms.
Thus, while all conflicts can impact development, the most relevant conflict in Laurie's case appears to be Industry versus Inferiority.