If you have learned to call some public stimulus that oscillates in intensity “throbbing,” for example, then there is a good likelihood that a headache that oscillates in intensity may also evoke the response “throbbing.” This is another form of generic extension since the throbbing headache has all of the features that are relevant to the notion of throbbing when a public stimulus controls that response.
A way in which the verbal community brings verbal behavior under the control of private stimuli that has the following features:
A response topography controlled by a feature or features of a public stimulus
A novel private stimulus that has properties in common with the public stimulus
Whether the properties of the private stimulus that are in common with the public stimulus are relevant or irrelevant
Type of extension
Type of properties