How did the researchers justify the use of both types of t-tests? Do you think using both types of t-tests is preferred than using just one (either repeated or independent)?
Discuss the sample size in the Sumter County sample. Discuss the validity of the design with just 5 participants.
In the article, the authors indicate that some data are positively-skewed. Discuss the meaning of that, and why would the skewed data interfere with using it in the t-tests? (In your response, consider the distribution of the test statistic).