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How can you ensure that random assignment actually resulted in equal groups?
Use random sampling
Conduct a manipulation check
Conduct a pre-test
Run a pilot study

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GinnyAnsweridn

Final answer:

Random assignment is essential for group equality in experiments. Random sampling, pre-tests, and pilot studies are effective methods to ensure equal groups.


Explanation:

Random assignment is crucial in ensuring that groups are equal in an experiment. One way to ensure this is by using random sampling, which involves selecting a sample from a larger population to represent it fairly. Additionally, conducting a pre-test helps assess the initial characteristics of groups before any treatment or manipulation is done, ensuring baseline equivalence. Another method is to run a pilot study to test procedures and identify any potential issues with random assignment that could impact group equality.


Learn more about Random assignment and group equality here:

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