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MEASURES TO MAXIMISE RESPONSE
Through call-backs and follow-up at selected dwellings, every effort was made to contact the occupants of each selected dwelling and to conduct the survey in those dwellings. For dwellings which were not part of the Responsive Design trial, interviewers made five call-backs before a dwelling was classified as a ‘non-contact’ (three call-backs in non-metropolitan areas). For dwellings which were part of the Responsive Design trial, interviewers made a maximum of three call-backs before a dwelling was classified as a 'non-contact' and no follow-up was conducted. Call-backs occurred at different times of the day to increase the chance of contact. Once contact had been made at a dwelling, the interviewer completed all necessary questionnaires where possible. If any persons who were selected to be included in the survey were absent from the dwelling when the interviewer called, arrangements were made to return and interview them. Interviewers made return visits as necessary in order to complete questionnaires for selected persons in scope of the survey. In some cases, a selected respondent within a dwelling could not be contacted or interviewed, and these were classified as individual non-contacts.
In cases where a respondent initially refused to participate in the survey, or there was non-contact due to no one being home at the time of the visit, a follow-up letter was sent to that household. A second visit was made to the respondent to explain the aims and importance of the survey, and to answer any particular concerns the respondent may have had. No further contact was made with the respondent if they refused at the second approach to participate. Persons missed from the survey through non-contact or refusal were not replaced in the sample,
Interviewers were further trained to provide responses to a range of questions, as well as to direct respondents to the Frequently Asked Questions page on the ABS website.
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