Coreg (carvedilol) is a beta-adrenergic blocking agent (beta-blocker) used to treat heart failure, hypertension, and left ventricular dysfunction after a heart attack. Coreg is available in generic form. Common side effects of Coreg include. dizziness,
concur - Legal Definition. v. 1  To agree, approve, or consent to, especially regarding an action or opinion.  Regarding a decision of a court or court panel that has more than one judge, to agree with the opinion of another judge, but not necessarily for all the same reasons or for a different reason altogether.
A confounder is a variable that is correlated (directly or inversely) to the independent variable and correlated to the dependent variable. A lurking variable is a covariate that is not taken in account for by the researchers of the quantitative study. Confounding is a causal concept, and as such, cannot be described in terms of correlations or associations (see causal definition).