[Solved] A problem that consistently interferes with one's ability to complete the sexual response cycle is called A) an STI. B) erotic plasticity. C) a sexual disorder. D) a refractory period. Social Skills: Abilities necessary for effective interpersonal interactions, such as communication, empathy, and conflict resolution. Head Start Programs: Initiatives in the United States designed to prepare children from low-income families for school by enhancing their cognitive and social development. Developmental Psychologists: Experts who study the psychological growth and development that occur throughout a human's life. Educational Activity: A task or project designed to impart knowledge or develop skills, often used within teaching and learning environments.