# Psychometrics **Domain:** Measurement / Psychology / Education **Doc Type:** Field Node **Maturity:** Developing **Related:** [[Edward Thorndike]], [[Army Alpha and Beta Tests]], [[SAT]], [[Russia and Prussia Kybernetiks]] --- ## Definition The theory and practice of measuring psychological attributes, abilities and educational performance. ## Kybernetiks Context Psychometrics turns differences into comparable signals and therefore supplies a crucial measurement layer for classification and governance. ## Backlinks [[Russia and Prussia Kybernetiks]] · [[articles/Russia and Prussia Kybernetiks|Russia and Prussia Kybernetiks]]