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Question
practice it! which of the following best defines test variable (independent variable)? the variable that responds to the outcome variable. the variable that stays the same in an experiment. the variable that is measured in an experiment. the variable that is purposely changed in an experiment.
Breve explicación:
La variable independiente (test variable) es la que el investigador controla y cambia intencionadamente en un experimento para ver cómo afecta a la variable dependiente.
Respuesta:
The variable that is purposely changed in an experiment.
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Breve explicación:
La variable independiente (test variable) es la que el investigador controla y cambia intencionadamente en un experimento para ver cómo afecta a la variable dependiente.
Respuesta:
The variable that is purposely changed in an experiment.