Question
Asked Aug 8, 2019
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Describe the main difference between a dependent and an independent t test. (Note: I am not asking you to list the strengths/weakness of each; just describe the basic difference between the two.)

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Expert Answer

Step 1

Dependent t-test: The dependent t-test, also known as the “paired t-test”, is a statistical procedure to test for the difference of means of two groups, when the two groups are somehow related or paired, that is, when the two groups are not independent. This procedure is typically used when two observations are taken from every individual, for example in the case of “before” and “after” an event of interest, or when every individual in the study is matched with another unique individual also considered in the study.

Step 2

Independent t-test: The independent t-test is statistical procedure to test for the difference of means of two groups, when the two groups are not related, that is, when the two groups are independent.

Step 3

The main difference between a dependent and an independent t-test is that the dependent t-test compares the means of...

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