Keusch, Florian; Bähr, Sebastian; Haas, Georg‐Christoph - In: Journal of the Royal Statistical Society: Series A … 185 (2022), pp. S225-S245
, and little is known about the effect of non‐participation. We invited 4,293 Android smartphone owners from the German …, decreased with age and increased with educational attainment, German citizenship, and PASS tenure. We find non‐participation …