In language and second language acquisition research, it is important to have a measure for tracking the proficiency level of participants. Lexical competence is fundamental for communicative purposes in a given language, and vocabulary tests are a reliable measure to assess lexical proficiency. That is why vocabulary tests have a central role in…

Conversely to plenty of studies describing how L1 transfer affects L2 systems, where the two grammars, L1/L2, often only come to interact later in life, less is known of dominant language transfer in heritage language grammars. Unlike in L2 speakers, the dominant language of the heritage speaker potentially affects its weaker language already from…