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

Answer and explanation

Correct answer: Change only the intended independent variable and keep other factors constant

In a valid experiment relevant conditions other than the independent variable remain controlled. In exams apply the fair-test principle.

Related tags

ValidityFair-TestControlled-VariablesExperimental-DesignHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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