What data are smartphone users willing to share with researchers?

Felix Beierle, Vinh Thuy Tran, Mathias Allemand, Patrick Neff, Winfried Schlee, Thomas Probst, Johannes Zimmermann, RĂ¼diger Pryss. What data are smartphone users willing to share with researchers?. J. Ambient Intelligence and Humanized Computing, 11(6):2277-2289, 2020. [doi]

@article{BeierleTANSPZP20,
  title = {What data are smartphone users willing to share with researchers?},
  author = {Felix Beierle and Vinh Thuy Tran and Mathias Allemand and Patrick Neff and Winfried Schlee and Thomas Probst and Johannes Zimmermann and RĂ¼diger Pryss},
  year = {2020},
  doi = {10.1007/s12652-019-01355-6},
  url = {https://doi.org/10.1007/s12652-019-01355-6},
  researchr = {https://researchr.org/publication/BeierleTANSPZP20},
  cites = {0},
  citedby = {0},
  journal = {J. Ambient Intelligence and Humanized Computing},
  volume = {11},
  number = {6},
  pages = {2277-2289},
}