How many times do interviewers attempt to call former enrollees and graduates?
When former enrollees and placed graduates become eligible for a survey, records are active for eight weeks. Interviewers make repeated attempts to contact survey respondents during the eight weeks. Interviewers make a minimum of two attempts in the first week. If interviewers do not reach participants during this period, they make additional attempts throughout the remaining weeks of the “survey window.” Interviewers ask respondents to complete the survey on the first call, explaining that the survey is short and will take only a few minutes. They also leave the toll-free number on answering machines or with other members of the household. Interviewers schedule appointments with respondents if necessary. When a phone number is unreliable, interviewers use alternate contact information. If that information does not lead to the respondent, interviewers make further efforts to locate respondents before the 8-week period ends. Generally, problems in reaching a participant result from poor
