Causal Inference, Instrumental Variable, Ab Testing, Encouragement Design, Average Treatment Effect.
contact ‣Z = 0: Partner not assigned for contact Treatment X ‣ X = 1: Partner is contacted by an AM ‣ X = 0: Partner is not contacted by an AM Outcome Y ‣ Y = 1: Partner converts ‣ Y = 0: Partner does not convert This so-called encouragement design differentiates between the randomized instrument Z