Which of the following should be accomplished by the introduction of a research paper?

The introduction of a research paper serves several critical functions, one of the most important being to introduce the topic clearly and concisely while also stating the thesis. By doing this, the introduction not only engages the reader but also provides a roadmap for what to expect in the paper. A well-defined thesis statement lays the groundwork for the argument or analysis that will follow, guiding both the writer and the reader through the ensuing discussion.

While background information and showing personal interest in a topic can enhance an introduction, they are secondary to the primary functions of stating the topic and thesis. Other elements, such as presenting multiple theories, may be relevant but typically belong to the body of the paper where they can be discussed in detail. Thus, the correct answer encapsulates the primary goals of an effective introduction in a research paper, ensuring the reader understands the focus and direction of the work from the outset.