SDp refers to a discriminative stimulus for punishment. It is a specific stimulusStimulus is defined as any change in the environment or form of energy that affects an organism’s behavior or physiological state. Stimuli can be external or internal, and they can el... More in the presence of which a particular behavior is likely to be punished. When an individual encounters this stimulus, they learn that engaging in a certain behavior will result in an aversive consequence, which decreases the likelihood of that behavior occurring in the future.
Example
A child learns that touching a hot stove (SDp) will result in pain (punishment), making it less likely that the child will touch the stove when it is on again.