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Toulmin Argument

Type: documentation

Author: Purdue OWL Source: https://owl.purdue.edu/owl/general_writing/academic_writing/historical_perspectives_on_argumentation/toulmin_argument.html Date: unknown

What is the Toulmin Method?

Philosopher Stephen E. Toulmin developed a method for breaking arguments into six component parts: claim, grounds, warrant, qualifier, rebuttal, and backing. Every argument starts with three fundamental elements.

A claim is the main assertion an author wants to prove. The grounds are the evidence and facts supporting that claim. The warrant is the assumption—stated or implied—that connects the grounds to the claim.

Basic Example

Consider arguing that a dog is nearby: - Claim: A dog is nearby - Grounds: You hear barking and howling - Warrant: Dogs bark and howl

Academic Example

In a paper arguing that more research on computer-mediated communication and relationships is needed: - Claim: Additional research is necessary - Grounds: The original study has technological, demographic, and modality limitations - Warrant: Studies lacking broad perspective benefit from further investigation

Additional Components

Three optional elements strengthen arguments:

Backing provides additional support for the warrant when it's implied, offering specific examples that justify the assumption.

The qualifier acknowledges limitations using words like "presumably," "some," or "many," showing claims don't apply universally.

The rebuttal recognizes alternative viewpoints.

Including qualifiers and rebuttals builds credibility by presenting a balanced perspective rather than rigid advocacy for a single interpretation.