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Class 9 Science Exploration: Entering the World of Secondary Science Hypothesis and experimentationMedium

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Time was different in every trial although it was not the independent variable. What effect will this have?

Answer and explanation

Correct answer: The comparison will not remain fair

Different durations may affect the result and become an additional variable. In exams keep the test duration constant.

Related tags

Controlled Variable Time Fair Test Experiment Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science

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