Final answer:
a) Wilhelm Wundt.
Wilhelm Wundt created the first psychology laboratory in Germany in December of 1879. He is considered one of the founders of psychology and used introspection to study conscious experience.
Step-by-step explanation:
Wilhelm Wundt, a German scientist, created the very first psychology laboratory in Germany in December of 1879. He is considered one of the founders of psychology and published a famous book called Principles of Physiological Psychology in 1873. Wundt viewed psychology as a scientific study of conscious experience and used introspection, a process by which someone examines their own conscious experience, to study the human mind. He established his psychology laboratory at the University of Leipzig and conducted experiments on reaction times.