Unsuccessful differential diagnosis from the Rorschach
- Armitage, S. G., & Pearl, D.
- Journal of Consulting Psychology, 21. 479-484
- A version of the paper can be found here.
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The consistency with which individual or group diagnostic categorization can be predicted from the Rorschach was investigated in two ways; one was an objective statistical approach and the other a subjective judgmental approach. In the first, an attempt was made to relate statistically either single or patterned Rorschach determinants to previously made diagnostic judgments. The results failed to uncover any useful means of arriving at a diagnosis. The judgmental approach was found to be equally unsuccessful in achieving consistent diagnostic predictions.
Can Rorschach be an effective diagnostic tool?
I’m not a psychologist, but my read on the paper is that protocol = judgement, psychogram = mechanical, and combined = both tools combined. Looks like for neurotic diagnosis the model wins, for paranoid schizophrenia humans win. Overall, there it seems like a bunch of noise and no machine or human can figure it out.
Sounds like the Rorschach test is bunk…of course, this study was done in 1957.
Thoughts on the paper?
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