You can generate multiple passwords and thus create respondent groups, which can be separated in the analysis. It is important that you warn the respondents that the browser cookie is saved until the end of the browser session. <span class="qtip-more"><a href="https://www.1ka.si/d/en/help/manuals/settings-for-respondent-access-cookies-and-passwords" target="_blank">Read more</a></span>