The introductory paragraph can also provide background information that is necessary for the reader to appreciate the writer’s position. This information can be scientific, historical, cultural, or even personal. Use this kind of introduction when you know there are things that the reader needs to know about your topic (but doesn’t’) in order to “get” your thesis statement.
Remember, your introductory paragraph is device that you made to draw the reader in to your essay, and to get them to understand your thesis statement.
Essay Organization | Pasco-Hernando State College …
The conclusion, unlike the introduction, moves from specific to general. It often begins with a restatement of the focal statement, summarizes the main points of the supporting paragraphs, and ends with a broader conclusion about how the topic relates to the general issue described in the introduction. The general rule is that no new information should be brought into the conclusion: everything in the conclusion should logically follow from the information provided to the reader in the paper. Just as in a detective story you don't want to find out in the last scene that the crime was committed by a character you hadn't met, in an essay a reader doesn't want to be introduced in the conclusion to a major piece of information or evidence which wasn't discussed in the body of the paper.