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

22.4 Stimulus Features Example #1

If we want a pigeon to peck in the presence of a red light, for example, then we want the property of color to evoke the response. If the pigeon pecks at bright red lights but not at dim red lights, then the property of intensity has gained unwanted control over the response.

A stimulus feature of a red light bulb against a white background.
A red light bulb on a black background, exhibiting stimulus features.
No Peck
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