• Cross-linguistic influence in multilingualism across domains: Phonology and syntax. National Science Center, 2020/37/B/HS2/00617, 2020-2023, M. Wrembel – Principal Investigator, Karolina Rataj – Co-investigator
  • Bilingualism, emotions and creativity. The case of Polish and Romanian, Polish Academy of Sciences, 2019-2021, R. Jończyk – Co-investigator
  • Attitudes and emotions across languages. The case of Polish and Romanian, Polish Academy of Sciences, 2016-2018, R. Jończyk – Co-investigator