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If participants were randomly assigned to groups but the sample came from only one school which quality is stronger and which is limited?

Answer and explanation

Correct answer: Causal testing is stronger but generalisation is limited

Random assignment improves group comparison but a one-school sample limits external validity. Distinguish assignment from sampling.

Related tags

Random AssignmentExternal ValiditySchool SampleNature And Meaning Of ScienceExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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