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When is the internal validity of an experiment considered strong?

Answer and explanation

Correct answer: When other possible causes are well controlled

When other influencing factors are controlled the cause of the observed effect is clearer. Link internal validity with control.

Related tags

Internal ValidityControlled VariablesCausationNature And Meaning Of ScienceExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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