Answer:
b.structuralism
Step-by-step explanation:
Wilhelm Wundt, a German psychologist, was one of the earliest researches in the field o fpsycchology. He came to experiment with the structure of the mind and consciousness seeking to break it apart and identify its core parts.
The school of thought he found, was called structuralist since it sought the simple components.
He encouraged patients to have introspective experience and report what was happening to them.
This experiments reported to him some subjective insight from his patients and in general since then this research method is no longer used.