Question

multiple-choice question

the independent variable is the variable that:

is changed or manipulated in the experiment

is the measurable result of the experiment

remains constant in the experiment

Explanation:

Define the independent variable

The independent variable is the factor that the researcher deliberately changes or manipulates to observe its effects.

Evaluate the given options

• Option 1: "is changed or manipulated in the experiment" matches the definition of the independent variable.
• Option 2: "is the measurable result of the experiment" describes the dependent variable.
• Option 3: "remains constant in the experiment" describes a controlled variable.

Answer:

• is changed or manipulated in the experiment (Correct answer)
• is the measurable result of the experiment
• remains constant in the experiment