If you have a multilingual survey, you can specify the language in which the survey opens by selecting the language when sending the email invitation.
Language option is visible and available only for multilingual surveys.
How does this work?
For the respondents, the survey will open in the choosen language by default.
What happens if language is not selected?
The survey will open with a screener page where respondents can select the language they want to answer the survey in.