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Class 9 Science Exploration: Entering the World of Secondary Science Variables in an experimentMedium

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In which situation will the validity of an experiment decrease most?

Answer and explanation

Correct answer: Another influential factor changes along with the independent variable

A second changing factor makes the cause of the result unclear. This weakens the test of cause and effect.

Related tags

Validity Confounding-Variable Cause-Effect Variables In An Experiment Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science Class 9 Mcq

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