This dissertation explores first language (L1) transfer and second language (L2) transfer processes and models, such as the full transfer/full access model (FT/FA), the representational deficit/interpretability hypothesis, and the feature reassembly hypothesis (FRH). The typological proximity model (TPM), the cumulative enhancement model (CEM),…

This study was conducted to examine the lexical bundles used by nonnative speakers of English and explore any potential L1 influence on L2 lexical bundle use. Following a corpus-based approach, the frequency and types of English four-word lexical bundles in the postgraduate academic writing of Turkish and American students were analyzed, and the…

Previous studies on bilingual children have shown a significant correlation between first language (L1) and second language (L2) morphological awareness and a unique contribution of morphological awareness in one language to reading performance in the other language, suggesting cross-linguistic influence. However, few studies have compared…

This study sets out to investigate possible effects of previously learned languages on the acquisition of English as a third language by examining six prepositions (in, on, at, behind, over, to) when they denote spatial relations. Two picture description tasks were employed to find out which of the two known languages (L1 and/or L2) is the major…

This study explores the effect of categorically different pre-reading activities in learners' L1 on reading comprehension and learning of focus-on-vocabulary. The participants were sixty Turkish EFL learners attending a state high school, and the data was gathered from their achievement test scores. We analyzed the data through one-way…

The present study empirically scrutinizes the fixed natural order of grammatical morphemes relying on a manual analysis of an EFL learner corpus. Specifically, we test whether the accuracy order of L2 grammatical morphemes in the case of L1 Turkish speakers of English deviates from Krashen's (1977) natural order and whether proficiency levels play…

This study aimed to test three competing hypotheses concerning the strength of the cross-language relationship in listening comprehension proficiency in emergent bilinguals: Cummins's developmental linguistic interdependence hypothesis, Proctor, August, Snow, and Barr's interdependence continuum hypothesis, and Goodrich, Lonigan, Kleuver, and…

This study aimed at investigating the influence of L1 (Turkish) on the acquisition of L2 (English) collocations by comparing the scores of two Turkish ELT student groups with a phrase-judgment test. The test included both congruent and incongruent collocations as well as unrelated word combinations. The participants whose vocabulary levels were…

Foreign language learners frequently use words from their previously acquired language(s) in the target language, especially if these languages are related (Ringbom, Håkan. 2001. Lexical transfer in L3 production. In Jasone Cenoz, Britta Hufeisen & Ulrike Jessner (eds.), "Cross-linguistic influence in third language acquisition:…

This paper compares the initial state of second language (L2) and third language (L3) acquisition for English articles to examine the influence of L2 proficiency on positive transfer from L2 to L3. We tested 36 L1 Turkish/L2 German adolescent learners of L3 English (L3 group), 41 L1 Turkish adolescent learners of L2 English (L2 group), and 10…

Variability in the form of article (i.e., a and the) omissions and stressing has been attributed to a mismatch between first (L1) and second language (L2) prosodic and syntactic structures. An overlap between the L1 and L2 systems, on the other hand, is expected to contribute to native-like article productions. This case study aims to explore the…