t of a private tutoring session with one of America's most prominent Psychologists. In addition to her lectures with James and Royce, she began studying experimental psychology under Dr. Edmund Sanford of Clark University.
             Mary Calkins returned to Wellesley College in the fall of 1891 as an Instructor of Psychology under the department of Philosophy. Her first year back, she established a psychological laboratory at the college.
             In 1892, Calkins was once again allowed to "sit-in" on classes at Harvard, this time under Hugo Munsterberg in his laboratory while he was visiting the college. She conducted several experiments while under Munsterberg and invented the paired-associate technique. This was a suggested classification of cases of associations dealing with studying memory. Her technique was later refined by G.E. Muller and included in Titchner's Student Manual, taking full credit for it himself. Calkins continued her research under Professor Munsterberg until October of 1894, at which time Munsterberg wrote
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