Table 1. Four recurring roles for each of the field research assistants over the course of the study.

Interview number	Interviewer-1	Interviewer-2
1	PL	TF
2	PF	TL
3	TL	PF
4	TF	PL

This cycle of respective roles in each interview repeats for the two field research assistants on each team using paper (P) or tablet (T) device, and functioning as interviewer (Lead, L) or follower (coder only, F).