Question

practice it! which of the following accurately summarizes a test variable (independent variable) in an experiment? a variable that is measured in the experiment. a statement that gives you information about the control variable. a variable that is changed in the experiment on purpose by the experimenter. a constant variable that is not changed by the experimenter.

Explanation:

La variable de prueba (variable independiente) en un experimento es la variable que el experimentador cambia intencionadamente para ver su efecto en otra variable.

Answer:

A variable that is changed in the experiment on purpose by the experimenter.