Recently, there has been increasing interest in making causal inference when interference is possible. In the presence of interference, treatment may have several types of effects. In this article, we ...

This article considers optimal sample allocation between the treatment and control condition in multilevel designs when the costs per sampling unit vary due to treatment assignment. Optimal unequal ...

In Hypothesis Testing 1, you were introduced to the ideas of hypothesis testing in the context of deciding whether a coin was fair or biased in favor of heads. In this section hypothesis testing ...

Twice-yearly subcutaneous lenacapavir has been shown to be efficacious for prevention of human immunodeficiency virus (HIV) infection in cisgender women. The efficacy of lenacapavir for preexposure ...

(Reuters Health) - New research reveals serious flaws in the animal studies that regulators and ethicists use to decide if an experimental drug should be tested in humans. Dr. Daniel Strech, a ...