When a CS-CR pairing acts like another reflex, it can serve as a reflex for another instance of conditioning. This is called

In classical conditioning, when the conditioned response is extinguished, but reappears later, the reappearance of the response is called ________

a. higher-order conditioning. b. instinctive drift. c. spontaneous recovery. d. stimulus generalization.

When volunteers were given all of the nutrients their bodies needed through tube feeding, researchers found that they still ate as much real food as control subjects

Indicate whether this statement is true or false.