The mand is a verbal response in which the form of the response is controlled by an establishing operation. Features irrelevant to the classification of the mand include the musculature involved in executing the response, the type of reinforcement made currently effective by the establishing operation, and whether or not the current response is followed by reinforcement.
A form of verbal behavior with the following features:
The response is verbal
The form of the response is controlled by an establishing operation
The musculature with which the response is executed (vocal, written, gestural, etc.)
The type of reinforcement made currently effective by the establishing operation (may be conditioned or unconditioned, etc.)
Whether or not the current response is followed by reinforcement