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Four experiments were conducted to examine the role of orthotactic probability, i.e. the sequential letter probability, in the early stages of vocabulary acquisition by adult native speakers and advanced learners of German. The results show different effects for orthographic probability in incidental and intentional vocabulary acquisition: Whereas low orthographic probability contributed positively to incidental acquisition of novel word meanings in first language (L1), high orthographic probability affected positively the second language (L2) intentional learning. The results are discussed in the context of the following concepts: (1) triggering the establishment of a new representation, (2) noticing of new lexemes during reading, and (3) vocabulary size of the L1 and L2 mental lexicons.

The present semantic priming study explores the integration of newly learnt L2 German words into the L2 semantic network of German advanced learners. It provides additional evidence in support of earlier findings reporting semantic inhibition effects for emergent representations. An inhibitory mechanism is proposed that temporarily decreases the resting levels of the representations with which the new representation is linked and thus enables its selection despite its low resting level.

The present study explores the initial stages of incidental acquisition of two grammatical properties of verbs (subcategorization and [ir]regularity) during reading in first language (L1) and second language (L2) German using an adjusted self-paced reading paradigm. The results indicate that L1 speakers are superior to L2 speakers in the incidental acquisition of grammatical knowledge (experiments on subcategorization), except when the new knowledge interferes with previously acquired knowledge and mechanisms (experiments on [ir]regularity): Although both populations performed equally well regarding the acquisition of the subcategorization of verbs from the input (i.e., whether the verbs are transitive or intransitive), they differed with respect to the regularity status of new verbs. L1 speakers (in contrast to L2 learners) seem to disprefer irregularly conjugated verb forms in general, irrespective of their conjugation in the previous input. The results further show that the syntactic complexity of the context and morphological markedness positively affect the incidental acquisition of new words in the L2, triggering learners' shift of attention from the text level to the word level.

The present study explores the early stages of incidental acquisition of grammatical gender during reading in German as a second language (L2) using a self-paced reading paradigm. The results show that advanced L2 learners are sensitive to gender agreement violations after as few as three to four exposures to a novel noun within a short text. The results also indicate that the acquisition of grammatical gender from syntactic context is gender dependent: Whereas gender violation effects were observed for feminine and neuter nouns, no such effects were observed for masculine nouns. [ABSTRACT FROM AUTHOR]

A novel combination of several experimental and non-experimental paradigms was applied to explore initial stages of incidental vocabulary acquisition (IVA) during reading in German as a second language (L2). The results show that syntactic complexity of the context positively affects incidental acquisition of new words, triggering the learner's shift of attention from the text level to the word level. A subsequent semantic priming task revealed that the new words establish associations with semantically related representations in the L2 mental lexicon after just three previous occurrences and without any consolidation period. The semantic inhibition effect for the new words (contrary to semantic facilitation for known L2 words), however, indicates that the memory traces of the new semantic representation are still very weak and that their retrieval is probably hindered by stronger semantically related representations that have much lower activation thresholds and higher potential for being selected. [ABSTRACT FROM AUTHOR]