Final answer:
According to psychoanalytic theory, Eduardo's thinking best illustrates the concept of reaction formation.
Step-by-step explanation:
According to psychoanalytic theory, Eduardo's thinking best illustrates the concept of reaction formation. Reaction formation is an ego defense mechanism in which a person expresses feelings, thoughts, and behaviors opposite to their inclinations. For example, if Eduardo feels attraction towards someone of the same sex but is in denial about it, he might express strong discriminatory views or engage in anti-gay behavior as a way to protect himself from his own unconscious desires.