What is an argument? Think about attorneys arguing a criminal "Who dunnit?" The prosecutor claims the gardener did it: The gardener's attorney says, "Prove it!" The burden falls on the prosecutor arguing the case to supply the damning evidence. The defense need only counter the claim with an argument casting doubt on the prosecution.
Facing the same audience, each attorney will try to persuade the jury. The judge sees to it that the arguments are presented in an orderly fashion. One will inevitably hold more water than the other. After considering the merits of each, the jury will return. The bailiff will hand the judge a folded piece of paper. The verdict will either be: "Guilty-the evidence is overwhelming-the gardener did it" or, "Not-it's doubtful the gardener did it-the evidence was insufficient."
An argument is a formal presentation of evidence that supports a particular claim or position regarding an issue of interest to a specific audience. Its persuasive strength rests on the rhetorical skills of the author-the art of wielding the rational, emotional and stylistic tools of language in a skillful and conscious effort to persuade. Its logic is built upon rational premises and follows to a conclusion reasonable people are willing to accept.
The difference between a formal and an informal argument is in the burden of proof. A formal argument clearly states the claim or position it argues and presents a well-developed chain of evidence leading to a reasonable conclusion supporting the claim. The chain of evidence itself may include a wide variety of elements ranging from personal experience to statistical data and expert testimony.
Informal arguments contain little or no supportive evidence. "I did the dishes last night" may be all that's necessary to encourage your roommate to do them tonight but it's hardly an argument designed to convince or persuade. Its primary purpose is merely to assert, or point something out, nothing more.
Informal arguments are the stock-in-trade of radio and TV talk-shows, op-ed pages and letters to the editor. Generally speaking, they're used to instigate discussion among individuals holding different opinions. Quite often they are used to provoke a confrontation between those who flat-out disagree with each other (e.g., The O'Reilly Factor and The Jerry Springer Show). Seldom do they end in a consensus of opinion or a reasonable conclusion.
An academic argument is a formal argument constructed according to the specific conventions of the academic discipline in which it is presented. A literature argument, for instance, will typically include evidence from the literary text in question; a biology argument will include data from field or laboratory research.
Before beginning your argument, ask your instructor what academic conventions you will be expected to follow. Though many elements will remain the same, the norms for stating a claim or position, organizing the argument's evidence, structuring and styling its presentation and citing its sources will differ from one discipline to the next and from context to context.
Common to all academic arguments, however, are the following:
Credit must be given where credit is due: All outside sources must be documented (e.g., footnotes, endnotes, and in-text citations) using a citation format approved by the academic discipline into which the argument falls.
Donna LeCourt, Kate Kiefer, and Peter Connor. (1994-2023). Writing Arguments: An Overview. The WAC Clearinghouse. Colorado State University. Available at https://wac.colostate.edu/repository/resources/writing/guides/.