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Related Experiment Video

Updated: Jul 10, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

Toward a resolution of the Rorschach controversy.

H N Garb¹, J M Wood, M T Nezworski

¹Behavioral Health 116A-H, Pittsburgh Veterans Affairs Medical Center, 7180 Highland Drive, Pittsburgh, Pennsylvania 15206-1297 USA. howard.garb@med.va.gov

Psychological Assessment

|January 17, 2002

Summary

This review examines critiques of the Rorschach test, finding that some studies offer praise but omit negative findings, while others present flawed data or lack scientific rigor, questioning its validity.

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Area of Science:

Psychological Assessment
Personality Testing
Psychometrics

Background:

The Rorschach test has been a subject of ongoing debate regarding its scientific validity and clinical utility.
Recent publications have presented varying perspectives on the Rorschach's efficacy and empirical support.

Purpose of the Study:

To critically evaluate recent commentaries and studies concerning the Rorschach inkblot test.
To identify methodological weaknesses and biases in research supporting the Rorschach.
To propose resolutions for the persistent controversy surrounding the Rorschach's scientific basis.

Main Methods:

Critical review and analysis of published articles and meta-analyses on the Rorschach test.
Examination of cited evidence, data sets, and methodological procedures in supporting and critical studies.
Identification of potential biases, such as failure to cite negative findings and lack of coder blinding.

Main Results:

Some commentaries praised the Rorschach but selectively omitted negative findings.
A meta-analysis supporting the Rorschach suffered from methodological issues, including non-blinded coders.
One study provided modest support but utilized a flawed dataset.
Significant arguments suggest a lack of a robust scientific basis for the Rorschach's use.

Conclusions:

The scientific foundation of the Rorschach test remains questionable due to methodological flaws and selective reporting in supporting research.
Further rigorous, unbiased research is needed to resolve the controversy.
Recommendations are provided for addressing the ongoing debate and improving the scientific standing of the Rorschach.