Who established the first psychological laboratory in 1879 ? Select one: a. William James b. J. B. Watson C. Ivan Pavlov. d. Wilhelm Wundt.

The correct answer is d. Wilhelm Wundt.<br /><br />Wilhelm Wundt is considered the founder of experimental psychology. In 1879, he established the first psychological laboratory at the University of Leipzig in Germany. This laboratory was dedicated to the scientific study of human consciousness and perception, marking the beginning of psychology as a distinct scientific discipline.