This paper compares the production of different types of direct objects by Portuguese–German and Polish–German bilingual school-aged children in their heritage languages (HLs), Polish and European Portuguese (EP). Given that the two target languages display identical options of object realization, our main research question is whether the two HLs develop in a similar way in bilingual children. More precisely, we aim at investigating whether bilingual children acquiring Polish and EP are sensitive to accessibility and animacy when realizing a direct object in their HL. The results of a production experiment show that this is indeed the case and that the two groups of bilinguals do not differ from each other, although they may overgeneralize null objects or full noun phrases to some extent. We conclude that the bilingual acquisition of object realization is guided by the relevant properties in the target languages and is not influenced by the contact language, German.
Polish and Ukrainian pattern together syntactically in allowing various omissions in the same discourse settings, for example, when the referring element has been mentioned in a previous context. However, Ukrainian employs full object pronouns morphologically, whereas Polish uses clitics in the same environments. We exploit this contrast to compare the acquisition of clitics versus full pronouns, enriching previous accounts of omissions in child speech. The results of an elicited production experiment reveal that, in the two languages considered, 3- to 6-year-old children make no errors in direct object realization, but prefer to use null arguments up to the age of 5. It is crucial that there is no obvious difference between the acquisition patterns for clitics versus pronouns, which suggests that the morphophonological properties of direct objects are not primary predictors of object realization in languages that allow discourse-related omissions.
This article investigates the L1 acquisition of different types of direct objects in European Portuguese (EP). Previous research has revealed that although children have early syntactic and pragmatic knowledge of objects across languages, the adequate use of pronouns and null objects is protracted in the acquisition of EP (Costa et al. 2012). The present study shows that children acquiring the distribution of direct objects are aware of universal pragmatic hierarchies but struggle with the interpretation and feature bundles of null objects. Assuming that arguments are linked to left-peripheral C/edge linkers (Sigurðsson 2011), we argue that children need more time to discover the adult-like feature composition of null objects in EP because they involve phi-silent features. Relative accessibility (Ariel 1991) is universal and available early, whereas the absolute accessibility of null objects, i.e. their feature content, is acquired relatively late.
The main goal of this study is to investigate the nature of null elements used in German by early successive bilingual Polish-German children. The language pair offers the opportunity to investigate the possibility of cross-linguistic influence in the area of null arguments between two languages which differ significantly in the nature of the null arguments allowed in the grammars. Longitudinal data from four bilingual children who were first exposed to L2 German between the ages of 2;6 and 4;7 years is used in the investigation. The results show that early successive bilinguals have no underlying grammatical representation involving pro in their L2. Neither are the null elements exclusively a result of topic drop, as they are in German, or of discourse drop, as they are in adult Polish grammar. The findings suggest that early bilinguals transfer an L1 strategy of linking null elements to general pragmatic contexts.
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