Get started

Before using this tool, please familiarise yourself with the terms and conditions.

How to get started?


  1. Video
  2. How to register? See here [2-minute read]

Create and customise the questionnaire

  1. Video
  2. How to create and customise the questionnaire? See here [8-minute read]
  3. Which modules can be included in the questionnaire? See here [3-minute read]
  4. Which questions can each module contain?
    • For the caregiver version, see here [25-minute read]
    • For the child version, see here [22-minute read]
  5. In which languages is the questionnaire available?
    • Available languages:
      • Arabic
      • Bengali
      • Croatian
      • Dutch
      • English
      • French
      • German
      • Greek
      • Hindi
      • Italian
      • Japanese
      • Maltese
      • Mandarin
      • Norwegian
      • Persian/Farsi
      • Polish
      • Portuguese
      • Romanian
      • Russian
      • Serbian
      • Slovenian
      • Spanish
      • Turkish
      • Ukrainian
      • Urdu
      • Welsh


    • Forthcoming languages:
      • Basque
      • Telugu
    • We thank all the translators for delivering the Q-BEx questionnaire in languages other than English.
    • You can see the questionnaire translation protocol here.

Distribute the questionnaire

  1. Video
  2. How to distribute a questionnaire? See here [1-minute read]

Download and interpret the data

  1. Video
  2. How to download and interpret the data? See here [7-minute read]
  3. See the output interpretation guide here
  4. See the backend calculator example here


A complete manual, containing guidance on all the above steps can be downloaded here.

How to cite Q-BEx?

Please cite this reference in publications arising from research using the Q-BEx questionnaire:

De Cat, C., Kašćelan, D., Prévost, P., Serratrice, L., Tuller, L., & Unsworth, S. (2022). Quantifying Bilingual EXperience (Q-BEx): questionnaire manual and documentation. DOI 10.17605/OSF.IO/V7EC8