A dependent t-test, also known as a paired t-test, is used to determine whether there is a significant difference between the means of two related groups. In the context of measuring changes over time, the dependent t-test is commonly used when the same subjects are measured at two different points in time (e.g., before and after an intervention). It assesses whether there is a significant difference in the mean scores of the dependent variable between the two time points.
So, the correct answer is:
C. Dependent t-test
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Swift_and_Quick
6 months, 3 weeks ago