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What is one benefit of repeating an experiment?

Answer and explanation

Correct answer: Reliability of the result increases

The direct answer is B: the reliability of the result increases. Repeating an experiment means performing the same investigation more than once, while keeping the method and important conditions as similar as possible. First record the result of trial 1, then repeat the procedure and record trial 2 and further trials. If the results are similar, we have stronger reason to trust that the finding is real and not just caused by chance or a small accidental mistake. Repetition does not guarantee that every error disappears. Option A is therefore wrong because some systematic errors can remain. Option B is correct because consistent repeated results increase confidence and reliability. Option C is wrong because a hypothesis does not automatically become a law merely because an experiment is repeated; it must be supported by much wider evidence and is still not the same as a law. Option D is wrong because controlled variables are kept the same, not changed, during a fair repeat. Memory cue: repeat, compare, and trust consistent results more.

Related tags

RepetitionReliabilityExperimentHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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