ancova
UK[ˌeɪɛnˈsiːəʊviːˈeɪ]US[ˌeɪɛnˈsiːoʊviːˈeɪ]
n
A statistical technique that combines analysis of variance with regression to compare the means of a dependent variable across groups while controlling for the effects of one or more continuous covariates.
Morpheme Breakdown
an
co
va
an
co
together
va
Etymology
The word ANCOVA is a modern English acronym, not derived from classical roots through historical linguistic evolution. It is formed by blending initial syllables from the phrase "Analysis of Covariance". The term was created in the 20th century within the field of statistics to name a specific methodological procedure. Its logic is purely descriptive and technical, representing the combination of two core statistical concepts—analysis of variance and the adjustment for covariates—into a single, efficient label for scientific communication.
Analysis
Structure: an + co + va
an: (Abbreviation, English) An abbreviation for "analysis".
co: (Prefix, Latin) A prefix meaning "together" or "with", here representing "covariate".
va: (Abbreviation, English) An abbreviation for "variance".
Examples
The researcher used ANCOVA to control for pre-test scores when comparing the effectiveness of the two teaching methods.
Running an ANCOVA requires checking the assumption of homogeneity of regression slopes.
The results section detailed the findings of the ANCOVA, showing a significant group effect after adjusting for age.