Are interviewer administered follow-ups of web non-respondents still needed to maximise respondent dataset quality? Evidence using Understanding Society: the UK Household Longitudinal Study
Are interviewer administered follow-ups of web non-respondents still needed to maximise respondent dataset quality? Evidence using Understanding Society: the UK Household Longitudinal Study
Text messages to facilitate the transition to web-first sequential mixed-mode designs in longitudinal surveys
Estimating the measurement effects of mixed modes in longitudinal studies: current practice and issues