Question

in the late nineteenth century, who experimented on dogs to evaluate their "conditioned" responses, like salivation?

Answer 1

Ivan Pavlov

Step-by-step explanation:

In 1897, Ivan Pavlov experimented on dogs by giving them food at certain times of the day. Then introducing different "signals" when food would be given. Example, He rung a bell before he fed the dogs. Then, after doing this a few times he rung the bell without feeding them. The dogs started salivating and expecting food.