Languages differ in their realization of the subject argument: non-null-subject languages, like English, require subjects to be phonologically overt; rather, null-subject languages, like Greek, allow the subject to be overt or null. This cross-linguistic difference can lead to the transfer of grammatical properties across languages during…

The congruency effect--that is, faster and more accurate processing of congruent multiword units, has been demonstrated in multiple studies. It is still unclear, however, what its underlying mechanism is, and how congruency may interact with other factors. Using an acceptability judgement task, this study examined the congruency effect in…

The present study investigates the effect of high variability phonetic training (HVPT) on the discrimination of second language (L2) vowel contrasts by adult speakers who live in a country where the L2 is dominant. The same subjects who participated in a previous discrimination task were trained in the discrimination of four L2 vowel contrasts…

This study used an eye-tracking method to examine whether Chinese translation equivalents activated by English prime words can continue to activate their Chinese homophones. With 30 English prime words, and 60 Chinese target words as materials, the experiment used a Tobii eye-tracking device to collect data from 30 university students while…

Dative alternation between prepositional and double object datives has been a popular topic in second language (L2) acquisition, but only few studies deal with discourse constraints such as the "given-before-new" principle, or given-new (GN) ordering, which describes the tendency to place given information before new information. The…

Nawat, the highly endangered indigenous language of El Salvador, is undergoing a revitalization process. This dissertation, conceived within this context, focuses on the second-language (L2) acquisition of features of Nawat pronunciation by learners who have Salvadoran Spanish as their first language (L1). Specifically, I assess the acquisition of…

Learning to use prepositions in English as a second language (L2) has been widely acknowledged to pose significant difficulties to learners, especially within metaphorical contexts. Difficulties relate to the complex distributional patterns of prepositions in discourse, namely, the variety of collocations requiring their use, as well as…

The present study was focused on acquisition of Chinese relative clauses (RCs) by second language (L2) learners and whether this acquisition was influenced by RC linguistic features, learners' Chinese proficiency levels, and their first language (L1). Data were gathered via a Chinese reading comprehension test, a grammaticality judgment task, a…

Despite the worldwide prevalence of multilingualism, the knowledge of the relationship between domain-general cognitive control and multilingual language control remains scant. Here we provide new insights into this issue by examining systematically how different components of inhibitory control (i.e., response inhibition and interference…

Current second language (L2) listening research has lacked detailed accounts of L2 listeners' difficulties comprehending texts comprising orthographically known lexis. In the current study, 15 first language (L1) Japanese English language learners of three English proficiency levels listened to sentences and a narrative text. A two-task diagnostic…

This research investigated avoidance behaviour, one of the strategies L2 learners may resort to because of L1-L2 differences, or the non-existence of L2 structures for L1 learners, i.e. the Avoidance Behaviour Hypothesis (Schachter 1974). However, based on the Factors of L2 Non-Avoidance Hypothesis (FNAH) (Thiamtawan & Pongpairoj, 2013, 2019),…

This article reports on an empirical study on the acquisition of Chinese imperfective markers ("zai," "-zhe[subscript P]" and "-zhe[subscript R]") by English-speaking learners at three proficiency levels. Compared to English, Chinese has a richer imperfective aspect in terms of markers (forms) and features (meanings).…

This dissertation research examines the acquisition of second language vowels. For second language learners, learning a new languages' sound inventory, particularly its vowels, presents a challenge perceptually and in terms of production. Incorrectly perceiving and producing sounds in a second language results in a foreign accent in many adult…

In phonetics research, language alternation--including code switching (speaker-initiated) and cued switching (researcher-prompted)--can be used as a tool to investigate various aspects of speech production and perception in bilingual or multilingual speakers (Bullock & Toribio, 2009a). Studies on the production of voice onset time (VOT) during…

This research was aimed at investigating L1 Thai learners' English word stress production in two aspects of English words -- 1) English words with different suffixes: suffixes affecting stress shift, i.e. '-ic' (e.g. 'fantástic'), '-ity' (e.g. 'idéntity') and '-tion / -sion' (e.g. 'eléction') and suffixes demanding stress, i.e. '-oon' (e.g.…