A randomised study of nurse collected venous blood and self‑collected dried blood spots for the assessment of cardiovascular risk factors in the Understanding Society Innovation Panel
Nurse- and self-collected dried blood spots for the assessment of cardiovascular risk factors: a randomised study of the Understanding Society Innovation Panel
Participation in a mobile app survey to collect expenditure data as part of a large-scale probability household panel: coverage and participation rates and biases
Can we improve the survey representation of non-resident parents, and collect robust data on reasons for separation?
Participation in a mobile app survey to collect expenditure data as part of a large-scale probability household panel: response rates and response biases
Are there differences in responses to social identity questions in face-to-face versus telephone interviews? Results of an experiment on a longitudinal survey