It is hypothesized that there will be a significant difference in aggression scores after caffeine consumption as compared to before caffeine consumption. This hypothesis best illustrates what type of t test

A paired-samples t-test

Explanation:Paired-samples t-tests are used to test whether data from two related samples are different from one another. It can also be used to analyze data from many studies where one score depends on the other score.

The answer is a paired-samples t-test.

Explanation:

The paired sample t-test refers to a statistical procedure that is utilized to establish if the principal difference between the two observations is zero. In a paired sample t-test, each subject must be measured twice. This is the reason why there are pairs of observations.

Common applications that are usually utilized in the paired sample t-test are case-control studies or repeated-measures designs. The paired sample t-test also includes two hypotheses, the null hypothesis, and the alternative hypothesis.    

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