discriminant stimulus
dis·crim·i·nant stim·u·lus
a stimulus that can be differentiated from all other stimuli in the environment because it has been, and continues to serve as, an indicator of a potential reinforcer.
Farlex Partner Medical Dictionary © Farlex 2012
dis·crim·i·nant stim·u·lus
(dis-krim'i-nănt stim'yū-lŭs)A stimulus that can be differentiated from all other stimuli in the environment because it has been, and continues to serve as, an indicator of a potential reinforcer.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012