EVERYDAY SCIENCE

Detailed explanation-1: -A controlled variable is one of three types of variables usually found in experiments. A variable is any factor, trait, or condition that can exist in differing amounts or types. The other two are independent and dependent variables .

Detailed explanation-2: -A controlled variable in an experiment is the one that the researcher holds constant or controls. It is also known as a constant or control variable. The controlled variable is not part of an experiment. It is not an independent or dependent variable.

Detailed explanation-3: -There are three main variables: independent variable, dependent variable and controlled variables.

Detailed explanation-4: -An experimental inquiry typically has three main types of variables: an independent variable, a dependent variable and controlled variables.

Detailed explanation-5: -Most experimental designs measures only one or two variables at a time. Any other factor, which could potentially influence the results, must be correctly controlled.