Why is using a question as a topic sentence advantageous?

Using a question as a topic sentence is advantageous because it encourages engagement and critical thinking from the reader. By posing a question, the writer sets up a framework for exploration and analysis, prompting the reader to consider their answer as they continue reading. This approach effectively moves the essay forward, guiding the direction of the writing and maintaining the reader's interest throughout the discussion. The inquiry generated by the question serves as an anchor for the subsequent content, ensuring that the writing remains focused and relevant to the theme introduced.

In contrast, while adding an element of surprise can catch a reader's attention, it doesn't guarantee that the essay will have a clear focus. Expressing personal opinions is important, but a question serves a more structural purpose rather than a subjective one. Additionally, while a clear summary is important for cohesiveness, summarizing typically follows the elaboration of ideas instead of initiating them, making it less effective as a topic sentence compared to a well-phrased question.