Sample size (or number of clusters) by treatment arms
Advisor Experiment: 50 in treatment 1, 50 in treatment 2, 50 in treatment 3, 50 in treatment 4.
Advisee Experiment: 200 in treatment 1, 200 in treatment 2, 400 in treatment 3, 400 in treatment 4. (there is another randomization across treatments 2-4 and another two randomizations across treatments 1-4).