@inbook{b56f52d32018404296880affe9c49a18,
title = "Combining Active and Passive Mobile Data Collection: A Survey of Concerns",
keywords = "active mobile data collection online surveys passive mobile data collection smartphone activity",
author = "Florian Keusch and Bella Struminskaya and Frauke Kreuter and Martin Weichbold",
year = "2020",
month = sep,
day = "4",
doi = "0.1002/9781118976357",
language = "English",
isbn = "9781118976326",
pages = "657--682",
booktitle = "Big Data Meets Survey Science: A Collection of Innovative Methods",
publisher = "John Wiley & Sons",
edition = "1",
}