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We investigate reference production in bilingual children. Based on Kibrik (2011), we analyze the production of referring expressions in discourse in terms of activation of a referent. We propose a novel approach, which calculates activation by taking into account different activation-lending factors and their respective weight. This allows us to compare the activation encoded by referring expressions across languages and groups of speakers, and to run correlational analyses with the speakers’ cognitive profiles. In particular, the study addresses the correlation between activation and lexical processing among bilinguals, based on the distribution of referring expressions in narratives by 20 German-Greek bilingual children, compared to their monolingual peers. We found that bilingual pronouns correspond to a lower activation than monolingual ones. Speed of lexical retrieval is a predictor of the bilingual performance. Our model of analysis accounts for how reference production varies across individuals and which cognitive mechanisms underlie this variation, THALES, NSRF funding (PI Tsimpli) & DFG-funded project (PIs: Torregrossa and Bongartz)

Pronominal clitics are sensitive to both morphosyntax and discourse. Problems in clitic use could therefore stem from morphosyntactic or discourse management problems in children with SLI. Previous studies focused on 3rd person clitic use identifying morphosyntactic problems. We compare 1st with 3rd person clitic elicitation by monolingual and bilingual children with SLI to examine whether perspective-switching in the same task would affect performance. Elicited 3rd person clitics were further compared with clitic use in narratives to investigate the role of richer discourse context in clitic production. Perspective-taking was independently examined with first- and second-order Theory of Mind tasks. Bilingual were more accurate than monolingual children with SLI in 1st person clitics, in the use of unambiguous clitics in narratives and in second-order ToM reasoning. We conclude that bilingualism seems to enhance SLI children’s discourse use and perspective-taking strategies which, in turn, improve their use of clitics in context-sensitive conditions.

This study investigates reference management of two groups of 8–12 year old Greek–German bilinguals, resident in Greece (Bilinguals_GR N = 38) and in Germany (Bilinguals_GE N = 39). We analyze the bilinguals’ retellings in each language and compare them with data from two monolingual control groups of Greek and German children (Monolinguals_GR and Monolinguals_GE, N = 20 respectively). We seek to establish how the use of referential forms in character introduction, maintenance and reintroduction in the bilinguals’ narrative retellings is affected by language dominance and whether proficiency in each language patterns similarly with respect to dominance in input. Our results indicate that differences in choice of referential form can be attributed to language dominance. Bilingual production of referential expressions differed from that of monolinguals when exposure to one language outweighed the other, as in the case of Bilinguals_GE. Similarly, proficiency in terms of vocabulary, verb diversity and syntactic complexity was affected in the weaker language for this group, which showed a strong dominance in German input. When exposure was more balanced (Bilinguals_GR), proficiency measures in both languages were affected, but to a lesser degree.

This paper aims to contribute to the discussion pertaining to the source of optionality in second language (L2) pronominal interpretation. We examined pronominal use not only in L2 English adverbial – adjunct CP clauses (‘The student was upset because he had failed the test’), but also in English VP-coordination structures (‘Jane had studied hard and (she) passed the exam’), an area which has never been investigated before. While English adjunct CP clauses represent a context in which overt pronominal subjects are obligatory, in VP-coordination pronouns can be apparently dropped. These structures were tested by means of two English production tasks: a Sentence Completion task and a Cloze Test. Our results showed that compared to the English controls the Greek learners used (a) significantly more ungrammatical null subjects in adjunct CP clauses and, crucially, (b) significantly more overt pronominal subjects in VP-coordination structures. After examining two possible accounts for the observed optionality, namely, the Interface Hypothesis and the Interpretability Hypothesis, we argue that a language internal syntax explanation best addresses our data both in the adjunct CP clauses and in the VP-coordination structures.

The goal of this chapter is to lay out the central themes of heritage language acquisition research adopting a formal/theoretical linguistic perspective. Specifically, we aim to provide a detailed discussion of the nature of heritage language grammars. In doing so, we will address the debates on how to explain heritage speaker competence differences from monolingual baselines and more. This chapter will not be limited to discussions of Spanish as a heritage language, but rather will highlight the important role that Spanish has played and will continue to play in the development of heritage language acquisition studies. Finally, we will offer some comments/insights on how the information covered regarding the formal linguistic properties of heritage speaker knowledge should be considered for and implemented in heritage language pedagogies and thus dealing with heritage speakers in the classroom setting.