3 papers
stat.ME2026
Randomization Tests in Randomized Saturation Designs
Jizhou Liu, Azeem M. Shaikh, Liang Zhong
Randomized saturation designs are widely used to study spillover effects in clustered populations. In these designs, clusters are first assigned to treatment saturation levels, and…
stat.ME2026
Randomization Tests in Switchback Experiments
Jizhou Liu, Liang Zhong
Switchback experiments--alternating treatment and control over time--are widely used when unit-level randomization is infeasible, outcomes are aggregated, or user interference is u…
econ.EM2025
Unconditional Randomization Tests for Interference
Liang Zhong
Researchers are often interested in the existence and extent of interference between units when conducting causal inference or designing policy. However, testing for interference p…