The role of case marking and word order in cross-linguistic structural priming in late L2 acquisition
Several studies found cross-linguistic structural priming with various language combinations. Here, we investigated the role of two important domains of language variation: case marking and word order. We varied these features in an artificial language (AL) learning paradigm, using three different AL versions in a between-subjects design. Priming was assessed between Dutch (no case marking, SVO word order) and a) a baseline version with SVO word order, b) a case marking version, and c) a version with SOV word order. Similar within- language and cross-linguistic priming was found in all versions for transitive sentences, indicating that cross-linguistic structural priming was not hindered. In contrast, for ditransitive sentences we found similar within-language priming for all versions, but no cross-linguistic priming. The finding that cross-linguistic priming is possible between languages that vary in morphological marking or word order, is compatible with studies showing cross-linguistic priming between natural languages that differ on these dimensions.