What was the main difference between the psychological thinking of Wilhelm Wundt and earlier philosophers who were also interested in thinking and behavior?
Wundt was the first scholar to call himself a psychologist.
Wundt was German; earlier philosophers were American.
Wundt was the first professor from a major university interested in psychology.
Wundt used psychotherapy techniques established by Freud to examine the thinking and behavior of healthy individuals.
Wundt and his students gathered data about human thinking and behavior in a laboratory setting.