The Rorschach test is a diagnostic tool used to gain psychological insight. It uses 10 standard black or coloured inkblot designs to assess personality traits and emotional tendencies. In contemporary English, the term Rorschach test is often used metaphorically to describe what psychologists call projective assessment. Put simply, how you see something depends on your 'priors' or pre-existing assumptions. Who was Rorschach? Hermann Rorschach (1884–1922) invented the 'ink blot' personality test. The test emerged from the Swiss psychiatrist's lifelong passion for klecksography - turning inkblots into recognisable images. Influenced by the newly emerging field of psychoanalysis, Rorschach began exploring how emotion shapes perception. Rorschach had an unusual childhood. He was born into an an artistic family but lost both his parents at an early age and was brought up by a cold and distant stepmother. At school he was prodigy - speaking several languages and exce