Aug 27, 2020 · A control variable is any factor that is controlled or held constant during an experiment. For this reason, it’s also known as a controlled variable or a constant variable.

A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout the course of the investigation.

Aug 5, 2024 · A controlled variable is a part of an experiment that remains constant to ensure accurate results. Controlled variables are crucial because they prevent other factors from …

A control variable is any factor in a study that is intentionally kept constant to prevent it from influencing the relationship between the independent variable (IV) and the dependent variable …

Mar 1, 2021 · A control variable is anything that is held constant or limited in a research study. It’s a variable that is not of interest to the study’s objectives, but is controlled because it could …

Jul 23, 2025 · What Is a Control Variable in Science? A control variable, also known as a constant variable, is a variable that does not change during the investigation in scientific experiments.

Dec 3, 2025 · Controlled variables are sometimes called constant variables or controlling factors because their value does not change during the investigation. For instance, if testing how …

Aug 27, 2025 · What is a Control Variable? A control variable can be defined as an experimental element that either remains constant or is held constant through the course of investigation in …

Mar 26, 2024 · A control variable is an element that is kept constant throughout an experiment or study to prevent it from influencing the outcome. While independent variables are manipulated …

Child age, gender, and ethnicity were examined as possible control variables. A control variable cannot be the true cause of an observed deficit unless it is related to both exposure and outcome.