In the Early 1900s, Ivan Pavlov

In the early 1900s, Ivan Pavlov:

A) believed that the study of classical conditioning should be expanded to investigate how conscious thoughts, perceptions, and other subjective mental states influence the conditioning process.
B) wanted nothing to do with the newly established science of psychology, with its emphasis on studying subjective states of consciousness.
C) founded behaviorism as a new school of thought and was elected president of the American Psychological Association.
D) began investigating the role of classical conditioning in schizophrenia and other mental disorders.