Wilhelm Wundt (1832-1920) is generally considered the fatherofexperimentalpsychology.
WUNDT separated psychology from philosophy and biology and became the first person to be called a psychologist.
Wrote first textbook of psychology (Principles of Physiological Psychology, 1873-4)
Set up firstlaboratory of experimentalpsychology (1879)
Used the scientific method to study the structure of sensation and perception
Showed that introspection could be used to study mentalstates in replicable laboratory experiments.
Introspection is a psychological process that involves looking inward to examineone'sownthoughts, emotions, judgments, and perceptions.
wundts methods were unreliable - the processes were self reported and unobservable
introspection is the process by which a person gains knowledge about their own mental status - observe our inner world. Memory and perception could be observed systematically through this