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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.
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.
