At about the same time that Pavlov began investigating classical conditioning in Russia, an American named _____ was also investigating it.
A) William James
B) John B. Watson
C) D. L. Humstead
D) E. B. Twitmyer

Question

Quizplus · Accepted Answer

E. B. Twitmyer independently discovered classical conditioning around the same time as Pavlov, but his work did not gain as much recognition.

At About the Same Time That Pavlov Began Investigating Classical