The "psychic secretions" that interfered with pavlov's experiments on digestion were:

a) primary reinforcers.

b) conditioned responses.

c) conditioned stimuli.

d) secondary reinforcers.

e) unconditioned responses.

The psychic secretions that interfered with pavlov's experiments on digestion were : B. Conditioned response

In pavlov experiment, he told a helper to bring food to his dog. After doing this for a prolonged period of time, the dog will be salivated everytime it see the helper, even without food. in this case, we can say that The dog's response already been conditioned.

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