Aresearcher conducts a study in which different participants are independently observed within groups, and the same participants are observed between groups. if there are only two groups, then what type of t test is appropriate for this study?

The correct answer is: Related samples T-Test.

Explanation: Related samples T-test also known as dependent T-Test are tests used in statistics to compare the means of two related groups in order to establish or acknowledge a statistically relevant difference between both means.

Related Samples T-test needs one categorical variable with two groups and one dependent variable.

In this particular case, the researcher conducts a study in which different participants are independently observed within groups, and the same participants are observed between groups. In total, there are only two groups.

Thank to all of these characteristics it can be concluded that they appropiate T-test for this study is the Related samples T-Test.

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answer; longitudinal;