Aa Aa E 1. Engagement Activity: The t Test for Two Related Samples In the last c

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Aa Aa E 1. Engagement Activity: The t Test for Two Related Samples In the last chapter, you were introduced to Professor Ken Bonanno's Statistical Methods in Psychology class, where students are asked to complete a research study as a part of the semester-long course. Many of his students' research questions could be asked using the independent measures t test, but there are other approaches, which will be explored in this chapter. Click the following topics to see some sample questions asked by Professor Bonanno's students. Select the topic that most interests you and use the research questions to answer the questions that follow. Music and Academic Compensation and Motivation Work Productivity Performance Research Questions 1. Do students who listen to music while they study (Group A) do better or worse on tests than student's who do not (Group B)? 2. Do students do better or worse on tests if they study while listening to music (Condition A) than when they study without music (Condition B)?

Explanation / Answer

In repeated measure t-test the same group of participants is exposed to the two different treatments. An important advantage of using this test is that since the same group is being tested to different treatment, the individual differences between the two groups does not exist.

Another advantage is that because each participant is taking part in all treatments, need at least half the amount of participants than if you used a between subjects design.

Hence option(a) & option(c) are the advantages

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