Final answer:
The three common types of hooks are a question, a quotation, and a scenario involving conflict, which engage the reader's curiosity, provide credibility, and present a challenge, respectively.
Step-by-step explanation:
The three common types of hooks to capture a reader's attention in an essay are a question, a quotation, and a scenario involving conflict. Starting an essay with a question engages the reader's curiosity and compels them to seek an answer, thereby ensuring they keep reading. Using a quotation provides an authoritative hook that can set the stage for the arguments to follow, often lending credibility to the essay's subject. Introducing a conflict grabs the reader's interest by presenting a challenge or problem that needs resolution, speaking to our natural desire for narrative resolution.