Drug A is the usual treatment for depression in graduate students. Pfizer has a new drug, Drug B, that it thinks may be more effective. You have been hired to design the test program. As part of your project briefing, you decide to explain the logic of statistical testing to the people who are going to be working for you.

1. Write the research hypothesis and the null hypothesis.
2. Then construct a table like the one below, displaying the outcomes that would constitute Type I and Type II error.
3. Explain which error would be more severe, and why.