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In an experiment the difference between two group means is very small and the measurement error is larger than that difference. What is the appropriate interpretation?

Answer and explanation

Correct answer: The observed difference may be due more to measurement uncertainty than to a real effect

When error exceeds the observed difference the claim of an effect is weak. In exams compare uncertainty with the size of the difference.

Related tags

Measurement UncertaintyMeanDifferenceEvidenceHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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