TechnologyAugust 24, 2026
sphericity
sfih-RIH-sih-tee
Definition
A statistical measure used in the context of multivariate analysis (specifically Bartlett's test) to assess whether a set of variables is significantly correlated.
Etymology
Derived from the Latin 'sphaera' (sphere), the word refers to the state of being spherical. In statistics, it describes a specific property of covariance matrices, implying that variances and correlations between variables are equal or identity-like.
In the news
In this article, 'sphericity' is used in the context of Bartlett's test of sphericity, which is a statistical check performed to ensure the data is suitable for factor analysis.
The influence of designer identity on design majors’ intention to use AIGC tools: an SEM-fsQCA analysis in China
Read the full article ↗Frontiers