Final answer:
Ericsson uses similar references or discussion points to open and close her essay for cohesion and to reinforce the main ideas of her argument.
Step-by-step explanation:
Ericsson uses similar references or discussion points to open and close her essay in order to create cohesion and reinforce the main ideas of her argument. By using similar references or discussion points, Ericsson establishes a clear structure and organization for her essay, making it easier for the reader to follow along. This strategy also helps to unify the essay and tie the opening and closing sections together, resulting in a more cohesive and impactful overall piece.