Which of the Following Events Do Most Historians Consider to Mark

Multiple Choice

Which of the following events do most historians consider to mark the formal beginning of psychology as a scientific discipline?

A) Aristotle's landmark essay in 335 B.C., entitled "De Anima"
B) the 1924 publication of John Watson's book, entitled Behaviorism
C) the establishment of the first psychology research laboratory by Wilhelm Wundt in 1879
D) Sigmund Freud's discovery of the unconscious mind in the early twentieth century