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A student tests a treatment on four groups but bases the conclusion only on the group showing the largest effect. What is the most appropriate improvement?

Answer and explanation

Correct answer: Analyse the data and variation from all groups together

Analysing all groups reduces selection bias and represents the full evidence. In exams base conclusions on the complete data set.

Related tags

Data-AnalysisSelection-BiasTreatment-GroupsConclusionHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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