Expository essays are often used for in-class writing exercises or tests, such as the GED or GRE.
Argumentative essay assignments generally call for extensive research of literature or previously published material.
As noted in the paragraph above, a successful and well-rounded argumentative essay will also discuss opinions not aligning with the thesis.
It is unethical to exclude evidence that may not support the thesis.
Each paragraph should be limited to the discussion of one general idea.
This will allow for clarity and direction throughout the essay.
Some factual, logical, statistical, or anecdotal evidence should support the thesis.
However, students must consider multiple points of view when collecting evidence.
Summary: The Modes of Discourse—Exposition, Description, Narration, Argumentation (EDNA)—are common paper assignments you may encounter in your writing classes.
Although these genres have been criticized by some composition scholars, the Purdue OWL recognizes the wide spread use of these approaches and students’ need to understand and produce them.