Maximising response is important in any survey and especially so in a longitudinal survey where non-response at a particular wave contributes to attrition. A key element of response maximisation in face-to-face surveys is the adoption and implementation of thorough fieldwork procedures. The introduction of electronic sample management systems has provided more timely and accurate para-data with which to monitor interviewers’ compliance with fieldwork procedures. One of the major advantages of longitudinal surveys is that they are able to make use of prior wave data in order to identify cases at highest risk of non-response and thereby target appropriate fieldwork interventions …