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A researcher is interested in assessing the efficacy of a new anti-depressant. The researcher recruits 28 participants, assesses their depressive symptoms before they take the medication, then gives them the new medication and assesses their symptoms after one month. The researcher wants to assess whether there is a change in symptoms after taking the new medication. Which statistical test is most appropriate for this study design? A dependent-samples t-test A z-test An independent-samples t-test A one-sample t-test.

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A researcher is interested in assessing the efficacy of a new anti-depressant. The researcher recruits 28 participants, assesses their depressive symptoms before they take the medication, then gives them the new medication and assesses their symptoms after one month. The researcher wants to assess whether there is a change in symptoms after taking the new medication. Which statistical test is most appropriate for this study design? A dependent-samples t-test A z-test An independent-samples t-test A one-sample t-test

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A researcher is interested in assessing the efficacy of a ne.pdf

  • 1. A researcher is interested in assessing the efficacy of a new anti-depressant. The researcher recruits 28 participants, assesses their depressive symptoms before they take the medication, then gives them the new medication and assesses their symptoms after one month. The researcher wants to assess whether there is a change in symptoms after taking the new medication. Which statistical test is most appropriate for this study design? A dependent-samples t-test A z-test An independent-samples t-test A one-sample t-test