1. Overall, observers should try to be as inconspicuous and unobtrusive as possible, including avoiding interactions with those observed before, during, and after the intervention; avoid eye contact....

1. Overall, observers should try to be as inconspicuous and unobtrusive as possible, including avoiding interactions with those observed before, during, and after the intervention; avoid eye contact.

2. The observer’s presence should be explained to those being observed in simple, matter-of-fact language that this is their job in this agency, and then proceed with the business at hand.