Metior

Do test takers differ in ability?

Psychometrics deals with individual differences. Can we test whether test takers differ in ability to begin with? The open-source software package dexter, that we developed with two friends at Cito, has a function called ๐ข๐ง๐๐ข๐ฏ๐ข๐๐ฎ๐š๐ฅ_๐๐ข๐Ÿ๐Ÿ๐ž๐ซ๐ž๐ง๐œ๐ž๐ฌ that allows you to do precisely this. If no differences in ability are found, observed Lees meer…

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Great synthesis

The great synthesis of the statistical sciences The statistical sciences are somewhat of an archipelago with islands slowly drifting apart over time. For a long time, Psychometrics has been an island at the fringes of the archipelago until, about a decade ago, a bridge was constructedย between psychometrics and statistical physics. Lees meer…

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