covariate
/koʊˈvɛriɪt/
noun
- A variable that is possibly predictive of the outcome being studied in a statistical model, often used to adjust for other factors.
- When you include a covariate, you can see the true effect of the main variable.
- The researchers added income as a covariate in their analysis of health outcomes.
- In the study, age was included as a covariate to control for its effect on test scores.