In the Context of Experimental Research,the Logic of Random Assignment

question 39

Multiple Choice

In the context of experimental research,the logic of random assignment is that

• A)if participants in an experiment are assigned to each group by stratification,the actual differences between the groups will sustain over the long run.
• B)if participants in an experiment are assigned to each group only by chance,the actual similarities between the groups will sustain over the long run.
• C)if participants in an experiment are assigned to each group by stratification,the potential differences between the groups will cancel out over the long run.
• D)if participants in an experiment are assigned to each group only by chance,the potential differences between the groups will cancel out over the long run.

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