When conducting an independent-samples t test, it is necessary to have an equal number of participants in both groups.

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Quizplus · Accepted Answer

While having an equal number of participants in both groups can be beneficial, it is not necessary for conducting an independent-samples t test. The test can still be performed with different sample sizes in each group, but it may affect the power and precision of the results.

When Conducting an Independent-Samples T Test, It Is Necessary to Have