Meanings
adjectivetetrachoric (not comparable)
- not comparablemathematicsBetween two dichotomous variables
Each rho (ρ) represents the conditional tetrachoric correlation for each pair of outcomes, measuring the extent to which the two outcomes would covary if unobserved characteristics of an individual were indeed observed.
2015 July 9, “Social Participation and Disaster Risk Reduction Behaviors in Tsunami Prone Areas”, in PLOS ONE, →DOI
Origin
From tetra- + Ancient Greek χῶρος (khôros) + -ic. First used in statistical theory in the early 20th century.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
APA
tetrachoric. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tetrachoric
MLA
“tetrachoric.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tetrachoric. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “tetrachoric,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tetrachoric.
Source: tetrachoric on Wiktionary, CC BY-SA 4.0.