Publications
De Cat, C., Serratrice, L., Gusnanto, A., Prévost, P., Tuller, L., & Unsworth, S. (under review). A data-driven approach to the issue of ”catching up with monolinguals”. https://doi.org/10.31234/osf.io/ndxzt_v1 (OSF preprint)
Prévost, P., De Cat, C., Tuller, L., Gusnanto, A., Kašćelan, D., Serratrice, L., & Unsworth, S. (under review). Predicting individual differences in LITMUS Sentence Repetition performance using the Q-BEx questionnaire.
Serratrice, L., Gusnanto, A., Kašćelan, D., Prévost, P., Tuller, L., Unsworth, S., & De Cat, C. (under review). Cognitive constraints and environmental supports: A multifactorial account of vocabulary breadth and depth in multilingual learners across three countries.
De Cat, C., Tuller, L., Gusnanto, A., Kašćelan, D., Prévost, P., Serratrice, L., & Unsworth, S. (2026). Using Q-BEx to Identify Risk for Language Impairment in Bilingual Children. Journal of Speech, Language, and Hearing Research https://doi.org/10.1044/2026_JSLHR-25-00360 (see here for preprint of the accepted version https://doi.org/10.31234/osf.io/57fyb_v2)
Unsworth, S., Gusnanto, A., Kašćelan, D., Prévost, P., Serratrice, L., Tuller, L., & De Cat, C. (2025). Unpacking language richness as a predictor of bilingual children’s language proficiency. Journal of Child Language (First View) https://doi.org/10.1017/S0305000925100305
De Cat, C., Gusnanto, A., Kašćelan, D., Prévost, P., Serratrice, L., Tuller, L., & Unsworth, S. (2025). How detailed do measures of bilingual language experience need to be? A cost-benefit analysis using the Q-BEx questionnaire. Bilingualism: Language and Cognition (First View) https://doi.org/10.1017/S1366728925100497
De Cat, C., Kašćelan, D., Prévost, P., Serratrice, L., Tuller, L., Unsworth, S., & The Q-BEx Consortium. (2023) How to quantify bilingual experience? Findings from a Delphi consensus survey. Bilingualism: Language and Cognition, 26(1):112-124. https://doi.org/10.1017/S1366728922000359
Kašćelan, D., Prévost, P., Serratrice, L., Tuller, L., Unsworth, S., De Cat, C. (2021) A review of questionnaires quantifying bilingual experience in children: Do they document the same constructs? Bilingualism: Language and Cognition, 25(1):29-41. https://doi.org/10.1017/S1366728921000390
Forthcoming publications (preliminary titles):
- Putting the Q-BEx questionnaire to a quality test: Questionnaire design and quality checks.
How to cite Q-BEx:
- For a research publication, please cite:
- De Cat, C., Gusnanto, A., Kašćelan, D., Prévost, P., Serratrice, L., Tuller, L., & Unsworth, S. (2025). How detailed do measures of bilingual language experience need to be? A cost-benefit analysis using the Q-BEx questionnaire. Bilingualism: Language and Cognition. https://doi.org/10.1017/S1366728925100497 .
- For a non-research publication or a report, please cite the manual:
- 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
OSF repository
For R scripts, preprints and related resources from the Q-BEx project, please see our repository on the OSF: https://osf.io/gb9m7/
