When a field supervisor contacts respondents by phone to determine their reaction to the interviewer and asks them basic demographic questions in an attempt to ensure that interviewer cheating did not occur,this is the process of ____________________.

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The Answer of When a field supervisor contacts respondents by phone to determine their reaction to the interviewer and asks them basic demographic questions in an attempt to ensure that interviewer cheating did not occur,this is the process of ____________________.

When a Field Supervisor Contacts Respondents by Phone to Determine