AINeutralarXiv – CS AI · 9h ago6/10
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Drawing Lines in Psychological Space: What K-means Clustering Reveals in Simulated and Real Psychometric Data
Researchers demonstrate that K-means clustering, a widely-used statistical method in psychological research, can produce apparently meaningful subgroups even when analyzing data without genuine underlying categories. Testing the method on simulated data and the SMARVUS international psychometric dataset reveals that geometric partitioning around centroids may create the illusion of real psychological typologies rather than identifying them.