As part of our review of the state-of-the-art, we invited all researchers into bi-/multilingualism to tell us about their experience in designing and/or using language background questionnaires. This survey is now closed. Updates on the resulting publication will be posted here in due course.
If you would like to contribute to the Delphi consensus survey (in 2020), please register your interest via the form available on our Delphi page. We aim to recruit a representative (and hence diverse) set of panellists for this survey.