Response options: Direct supervision, Back check in person by supervisor, Back check by telephone by supervisor or the central office, Not subject to back check, Review of Audio, Review of audio and back check by phone
Response options: They did not interfere at all, There were some comments and offering of their opinions, There was substantial involvement, leading to discussions about survey responses, There was so much interference; it was almost impossible to conduct the interview, No other people were present at the interview