The Rorschach test is often regarded as an example of the unscientific and subjective research methodology of the Psychodynamic school. In fact it was an early attempt at objectivity.
One research group gave the Rorschach test to Nazi prisoners in 1945, and rejected their own results because they couldn’t believe them. Those results are now being reappraised.
New Scientist No. 3120, 8th April 2017. p.42-43.