Question

the one thing the scientist changes is called the

dependent variable

independent variable

Explanation:

Identify the variable changed by the scientist

In a scientific experiment, the factor that is deliberately changed or manipulated by the experimenter to test its effects is defined as the independent variable.

Differentiate from the dependent variable

The dependent variable is the factor that is measured or observed in response to those changes. Therefore, the single factor changed by the scientist is the independent variable.

Answer:

• dependent variable
• independent variable (Correct answer)