Likewise, if you say “water” either as a result of seeing the word written or hearing it spoken, then the response is not a mand, but is either textual or echoic. The form of the response in the mand relationship must be controlled by an establishing operation.
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