As a child, Jordan would jump excitedly when the Sponge Bob Square Pants theme song started playing on the television, receiving laughter and attention from adults for the excited jumping. Now that Jordan is a teenager, adults no longer direct laughter and attention at the excited jumping, and Jordan no longer reacts to the familiar theme song. This scenario illustrates the process of
a) latent inhibition.
b) discrimination.
c) extinction.
d) generalization