Variables

Definition

Variables are measurable characteristics, properties, traits, or conditions that can change or vary in quantity or quality during a study. They are usually categorized as independent variables (those manipulated) and dependent variables (those affected by manipulation).

Related terms

Independent Variable:

This term represents the variable intentionally manipulated by the researcher to observe its effect on another variable.

Dependent Variable:

Refers to the variable being observed and measured for changes resulting from the manipulation of the independent variable.

Confounding Variable:

A third variable that unintentionally influences both the independent and dependent variables, leading to potential inaccuracies in results if not controlled for.