O'Reilly logo
  • Yuvashni Danilala thinks this is interesting:

One way in which this can be achieved is to ask participants to sign an informed consent form. The details of this form will vary, but it usually asks the participants to confirm that the purpose of the data gathering and how the data will be used has been explained to them and that they are happy to continue.

From

Cover of INTERACTION DESIGN: beyond human-computer interaction, 3rd Edition

Note

Chapter 7;