Introductory Concepts
Elementary Relationships
Extensions of Verbal Behavior
Multiple Controlling Relationships
Building on the Elementary Relationships

27.1 Review of Types of Extension

All of the extensions of verbal behavior presented up to this point have been the result of a novel stimulus sharing either relevant or irrelevant features with a stimulus that has previously acquired control over the response that is now evoked.

A boy and a dog in a cartoon with a speech bubble.

Generic Extension

shares all relevant features

A metaphorical cartoon of a boy conversing with a fox.

Metaphorical Extension

shares some relevant features

A boy is eating orange cereal with a speech bubble, showcasing a metonymical extension.

Metonymical Extension

shares some irrelevant features

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