Study participants wanted (m/f/d): Usability study with an innovative in-ear sensor

Compensation for participants: 100 USD

As part of our current FDA approval process, we are conducting a usability study of the cosinuss° in-ear sensor c-med° alpha.

For this we are looking for US citizens who are 18 years or older.

The study is conducted via video call and supervised by one of our team members. During the approximately 60-minute test, the study participant tests the in-ear sensor and the associated app in various scenarios. For this purpose, a questionnaire is filled out and the user experience is evaluated.

If you meet the requirements mentioned above and are interested in participating in the usability study, please contact us via e-mail and include the following information:

  • age
  • nationality
  • level of education
  • your smartphone manufacturer and operating system
  • working sector (notably in industry, education, service, healthcare and engineering)

e-mail to:

Please note: Your contact data (name, email address) will be collected for the purpose of contacting you, communication and payment of the participants compensation and will be deleted after expiry of the intended purpose. For the statistical analysis of the study, your data will be collected pseudonymously.


  • Melanie Schade

    M.A. Kommunikationswissenschaft und Online-Marketing-Expertin mit Schwerpunkt auf Gesundheits- und Wissenschaftskommunikation. // M.A. Communication Studies and online marketing expert with a focus on health and science communication.