Features irrelevant to the classification of the tact include the musculature involved in executing the response, the modality of the stimulus, whether or not there is any reinforcement for the current response, and the “correctness” of the response.
A form of verbal behavior with the following features:
A verbal response
The controlling variable is a non-verbal stimulus, which is an object or event or a property of an object or event
The musculature with which the response is executed (vocal, written, gestural, etc.)
The modality of the stimulus (auditory, visual, gustatory, olfactory, etc.)
Whether or not there is any reinforcement for the current response
The “correctness” of the response