Criticisms of the Rorschach Inkblot Test
Despite its popularity, the Rorschach is a controversial test. Many of the criticisms center on how the test is scored and whether the results have any diagnostic value.2
Multiple Scoring Systems
Before 1970, there were as many as five scoring systems that differed so dramatically that they essentially represented five different versions of the test. In 1974, John Exner published a comprehensive new scoring system that combined the strongest elements of the earlier systems.3
The Exner scoring system is now the standard approach used in the administration, scoring, and interpretation of the Rorschach test.
Some experts caution, however, that since the Exner scoring system contains errors, clinicians might be prone to over-diagnosing psychotic disorders if they rely heavily on Exner's system.4
Lacks Reliability
Another key criticism of the Rorschach is that it lacks
reliability.4 Reliability means you get the same results no matter who is scoring the test. Scoring relies heavily on examiner interpretation. Because of this, two examiners can arrive at two very different conclusions when looking at the same person's responses.
Poor Validity
In addition to early criticism of the inconsistent scoring systems, detractors also find fault with its
validity.4 In other words, does it measure what it claims to measure? In this case, can the Rorschach correctly assess your personality characteristics and emotional functioning?
Unfortunately, the answer is a resounding no. Research shows the Rorschach is most often unable to accurately diagnose most
psychological disorders, including depression, anxiety, or personality disorders.5 However, research shows that it does have value for assessing thought disorders and
schizophrenia-related symptoms.6
Because all of these issues, in 1999, several psychologists recommended a moratorium on the use of the test for clinical and forensic purposes—at least until further research determined its real validity.7