delfi.study (and its underlying delfi platform [https://github.com/1151k/delfi-platform]) are provided as-is, free of charge, and without any warranty. By using delfi.study, you agree to the following terms and privacy policy.

By simply browsing the website, no data about you are collected or stored. By participating in surveys on delfi.study, you acknowledge that your responses will be collected and stored for research purposes. Your data will be used solely for academic research, analysis, and reporting. We do not share your personal information with third parties without your consent.

Specifically, panelist response data are made available to admins of the delfi.study platform and owners/administrators of the individual surveys. The data may be used for research purposes, including but not limited to statistical analysis, academic publications, and presentations. We take reasonable measures to protect the confidentiality and security of panelist data, but we cannot guarantee absolute security.

The data stored of panelists include the following: email address, name, and responses to surveys. No localStorage/sessionStorage items or cookies (other than for the PHP session), are stored.

If you, as a panelist, wish to opt out or have your data removed, please contact us. Be aware that response may take several weeks.