Which of the following research situations is most likely to use a two sample independent-measures design? Group of answer choices Evaluate the effectiveness of a pain reliever by measuring how much pain is reduced after taking the medication. Evaluate the effectiveness of a cholesterol medication by comparing cholesterol levels before and after taking the medication. Evaluate the difference in self-esteem

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A: Independent samples are taken from two different populations.

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Q: What is the defining characteristic of a repeated-measures or within-subjects research design?

A: To Determine:

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A: Introduction: It is required to identify the correct option.