Using interpretive qualitative research methods, this dissertation study examines how a telecollaboration in a social networking site affects learners’ intercultural competence development. In particular, it explores the changes in learners’ understanding of the concept of culture, as well as their understanding of their own and target cultures. Additionally, this study investigates what role the medium of the exchange plays in the project. Finally, it analyzes three individual learners’ experiences in an online intercultural exchange. Two intact classes of college-level language learners—U.S. students learning Spanish and Colombian students learning English—participated in an eight-week telecollaboration using Facebook. Each week students shared information about their own culture and reacted to the posts about the target culture made by the students in the partner class. This study analyzed 14 U.S. students’ experiences and learning, based on their pre- and post-telecollaboration questionnaires, reflexive portfolios, and pre- and post-telecollaboration one-on-one interviews. Data analysis demonstrated that the participants experienced a notable development in their intercultural competence. In particular, participants showed a more detailed understanding of the concept of culture, as well as the reasons for cultural learning and awareness. The activity of explaining their own culture to foreigners led the participants to an ongoing analysis of their own culture and, therefore, facilitated development in their understanding of the home culture. Specifically, participants were able to take a critical stance in their analysis and evaluate their own culture from the position of an outsider. Finally, participants gained knowledge about Colombian culture and developed an ability to analyze cultural products and practices, as well as infer information about cultural perspectives from that analysis. In general, the telecollaboration enabled participants to develop critical cultural awareness and change their worldviews from more ethnocentric to more ethnorelative. In regard to the use of Facebook, this popular social networking site proved to be uniquely suitable for a telecollaboration. It gave the participants an opportunity to create a personal learning environment that was accessible whenever and wherever they needed it. It also facilitated a bridging between participants’ learning and leisure online activities. The three case studies demonstrated that while any type of learner can benefit from telecollaboration, their experiences and the degree of intercultural competence development are individual. In addition, the development of intercultural competence appeared to be non-linear, which demonstrates the difficulty of its assessment. Based on the findings, the researcher concludes that telecollaboration facilitates the development of intercultural competence and, thus, is an effective way of addressing the challenge of culture instruction in foreign language courses. Additionally, the unique properties of social networking sites make them an easily accessible platform for telecollaboration projects.

The purpose of the present study is to investigate similarities and differences in the listening behaviors of native speakers and learners of Japanese, focusing on the production of aizuchi and head nods. The term aizuchi is often interchangeably used with the word backchannel, and these are characterized as the listener's use of short utterances such as oh or uh huh in English or hai, un, or aa in Japanese. In this study, aizuchi is defined as a short verbal utterance that is produced in response to the primary speaker's speech in Japanese. A total of 14 NS--NS or 14 NS--NNS dyads were formed to elicit native speakers' and learners' aizuchi and head nods. With the exception of a few participants in their late twenties, most of the participants were female native speakers and learners of Japanese who were of college age. The learners of Japanese were native speakers of American English who had been labeled as intermediate/high-intermediate level learners of Japanese. Each interaction included a semi-free conversation and a narrative story-telling task, both of which were recorded and transcribed for analysis. The findings indicate that the differences in the use of aizuchi and head nods produced by native speakers and learners lie not mainly in their frequency, but in the types and functions. The results show that when the frequency of aizuchi and head nods was measured with a time-based scale, which was the frequency per 60 seconds, differences were found in the frequency of head nods and total frequency of aizuchi and head nods. However, no significant difference was found in the frequency of aizuchi and head nods based on the amount of speech the speakers produced. Aizuchi were categorized into 16 groups to investigate differences in their types. The results show that the learners were using less aa-group, hee-group, iya-group aizuchi but more soo-group aizuchi compared to the native speakers. The number of different aizuchi each participant used was also measured to examine the variety of aizuchi, and it was found that both the native speakers and the learners were producing a similar number of different aizuchi. Head nods were analyzed based on nodding count, and it was revealed that more multiple head nods were observed in the learner's behaviors. The functions of aizuchi and head nods were categorized into seven groups, and the distribution of the functions was analyzed. The results indicate that learners tend to use more aizuchi to express their understanding and reaction to their interlocutors' response solicitation, while the use of aizuchi that do not show their attitude was more frequent with native speakers. The distribution of the functions of head nods was similar between the two groups. By further examining the types and the function of aizuchi and head nods, the study sheds light on which types of aizuchi learners may be lacking or overusing. Pedagogical implications are drawn from the results.

Second language (L2) learners notoriously have trouble using articles in their target languages (e.g., a, an, the in English). However, researchers disagree about the patterns and causes of these errors. Past studies have found that L2 English learners: *Predominantly omit articles (White 2003, Robertson 2000), *Overuse the (Huebner 1983, Master 1987, Parrish 1987, Tarone & Parrish 1988, Thomas 1989, Ionin 2003), or *Overuse a (Leung 2001). Previously proposed explanations of the causes of article errors include: *Learners have incorrect or incomplete semantic representations (Tarone & Parrish 1988, Hawkins & Chan 1997, Goto Butler 2002, Ionin 2003), or *Learners have complete, correct semantic representations for articles, but difficulty choosing the lexical form during production due to stress on mental processing or phonological limitations (Lardiere 1998, Bruhn de Garavito & White 2000, White 2003, Goad, White, & Steele 2003). Prior studies have focused on articles, which identify discourse relationships, but have not considered other morphemes that do so as well, such as pronouns and demonstratives. Furthermore, they have focused on L2 errors in isolation and not in the context of a full discourse or contrasted with first language (L1) input. This study examined the use of articles and other discourse morphemes in 20 L1 and 20 L2 English essays. L2 essays were produced by L1 Chinese and Korean writers at two proficiency levels. The essays' noun phrases (NPs) were marked for part-of-speech, co-reference, syntactic position, and other discourse-relevant features. L2 errors were identified and categorized. Frequency data showed that L2 proficiency level more often indicated significant differences in discourse construction than L1. No significant difference between L2 and L1 writers was when considering all articles together. Breaking this down, students used a/an significantly less than L1 writers, but the use of the was not significantly different. In contrast, the error analysis showed most L2 mistakes being made in the use of the, with almost none in the use of a/an. Together the frequency and error data give a richer understanding of discourse and article use in L2 production.

Many students in an allied health program at a Middle Eastern Arab university were experiencing difficulties with courses taught in English, resulting in poor academic achievement, low grade point averages, a high failure rate amongst its first year students, and an adverse impact upon a future skilled and educated work force for the region. Tinto's theory of institutional action for students' success served as the conceptual framework for the inquiry that used a qualitative explanatory case study method to examine the experiences of those students who were facing difficulties with their studies. To address questions about why students were failing and leaving the school and how the institution might remedy this educational problem, the study employed initial and follow-up interviews and reviews of academic records and portfolios of 6 currently enrolled or recently graduated students over age 21, who volunteered to participate. Content and thematic analysis of the collected qualitative data produced findings indicative of lack of college readiness among students and gaps in institutional practices such as remedial methods for the unprepared students. Based on the study findings, a policy recommendation for improving the educational practices was introduced to support building a better educational environment at the school. The positive social change implications of this study are not only limited to establishing programs to support the students' success and improve retention rates at the institution but also may include the establishment of more effective approaches to the reform measures of the educational system in the country.

L2 learner's use of communication strategies (CSs) has received an attention since 1970s (Faech & Kasper, 1983; Tarone et al., 1983). Previous studies have focused on identification and classification of CSs, the effectiveness and teachability of CS, the uses of CSs by different proficiency levels in different tasks, and individual differences in CS use. In spite of the varieties in focus of the previous researches, no research has address whether the use of CSs affects L2 acquisition over and beyond the level of sustainment of communication. Recent studies in classroom acquisition have shown beneficial effects of negotiation during peer conversation on L2 grammar acquisition. However, previous studies in peer interaction focus primarily on how a listener's negotiation move or corrective feedback helps a speaker to repair his/her erroneous utterances. One the other hand, CS research concerns with a speaker's voluntary action to make him/her understood at the time of communication difficulty. In other words, both negotiation strategies and CSs occur in the same conversational context. Even so, no research has ever investigated the relationship between them. Therefore, the purpose of the present study is to investigate the relationship between the use of CSs and negotiation strategies on L2 acquisition. Twenty four students enrolled in the intermediate and advance Japanese language courses are asked to engage in two types of communicative tasks, and their development of vocabulary and grammar knowledge are examined through pre- and posttests of the target linguistic items. Also, conversations during the tasks are transcribed and qualitatively analyzed to examine the pattern of CS use and the rate of successful repair moves. The results indicate that some CSs such as appeals and code switching are beneficial, with or without a negotiation move from the interlocutor, but others may be detrimental to L2 development.

Grounded in both interactionist and collaborative learning theories, this study empirically investigates the effects of interactive second language (L2) practice on subsequent individual L2 Chinese composition writing. In L2 classrooms, the learning of writing is often treated as an individual act. However, researchers (Hamdaoui, 2006; Susser, 1994; Weissberg, 2006) have argued that writing should be socially situated, and collaborative learning of L2 writing may generate the cognitive skills needed for the development of L2 writing ability. Two forms of interactive discussion were investigated: online text chat communication and face-to-face (FTF) oral discussion. Six third-year Chinese L2 learners participated in this study. The participants conducted five online-chat and five FTF pair discussion tasks. Upon completing each interactive task, students immediately wrote a 350-character composition independently on the topic that was addressed in the interactive session. Interviews were also conducted individually with the participants to elicit learner perception data. The primary results indicated that both mediums had benefits for the development of L2 Chinese writing in both cognitive and social dimensions, including improving L2 composition writing fluency and heightened motivation for learning Chinese writing. The collaborative pattern and the transfer process, however, differed between the two mediums. The collaborative pattern in the online chats was relatively equal, whereas the collaborative pattern in the FTF conversations was relatively unequal. The transfer process from the online chats to post-chat composition writing was more of a parallel process, whereas a more selective transfer pattern was seen from the FTF sessions to the post-FTF composition writing. The FTF conversations also stimulated a deeper thinking process and activated higher-level cognitive skills. In summary, the findings in this study support the integration of interactive practice in the learning of L2 Chinese writing.

This qualitative study was designed to explore undergraduate second language writers’ perceptions of and experiences with source-based writing and plagiarism. Grounded Theory (GT) was employed to systematically collect and analyze data throughout the study. By adopting Activity Theory (AT) as a theoretical framework, I was able to identify and analyze points of contradiction and tension that arose within the activity systems of my participants. The findings that emerged from GT showed that my participants were concerned with adapting to their new academic communities, and the L1 communities from whence they came played little to no role in hindering that adaptation. The findings that emerged from AT revealed that several of the struggles my participants faced with their source-based writing assignments stemmed not from a lack of understanding of plagiarism-related variables (e.g. paraphrase), but how these variables functioned within a larger systemic context (e.g. how paraphrase might differ across disciplines or assignments). This study provides the impetus for further investigation into how extant university policies, procedures, and guidelines affect students’ ability to construct meaning of source-based writing and plagiarism. Additionally, this study has the potential to open conversations regarding how universities can play a more positive and active role in students’ efforts to become new members of the academic community.

'Clear speech' is a speaking style that talkers often employ when they know they may have trouble being understood, as when speaking in noise or to a person with a hearing loss. When 'clear speech' produced by native talkers is presented in noise to native listeners, it has been shown to be about 10-15 percentage points more intelligible, on average, than normally produced speech. Recent research has shown that bilingual listeners may experience a smaller intelligibility benefit than monolingual listeners from 'clear speech' produced by monolingual talkers. The present study compares the ability of monolingual and bilingual talkers to produce this clear speech intelligibility benefit. The present study investigates the hypothesis that bilinguals may produce a smaller intelligibility benefit than monolinguals when asked to speak clearly. Three groups of talkers were recorded: 13 monolingual native English speakers, 22 'early' Spanish-English bilinguals, with an age of onset of learning English (AOL) of 12 or earlier, and 14 later Spanish-English bilinguals, with an AOL of 15 or later. Talkers produced the target words "bead, bid, bayed, bed, bad" and "bod" in both clear and conversational speech styles. Two repetitions of each word were mixed with noise and presented to monolingual English-speaking listeners across two days of testing. Both monolingual and early bilingual talkers showed a similar degree of clear speech benefit in noise (about 5.5%). Later bilinguals were the least intelligible overall and showed a smaller overall clear speech benefit in noise. Surprisingly, early bilinguals were significantly more intelligible than monolinguals in both speaking conditions (by about 6.5%). For the later bilinguals only, performance was significantly worse for one target word ("bid") in the clear speech condition than in the normal speech condition. These data suggest that later bilinguals, but not early bilinguals, may experience a relative disadvantage when speaking in noise, due to a reduced ability to improve intelligibility by speaking more clearly. Therefore, these persons may benefit from communication strategies or accent reduction programs designed to increase their ability to make themselves understood in difficult speaking environments.

Electropalatography (EPG) provides real-time visual biofeedback for linguapalatal contact during speech and swallowing. Historically, EPG has proved to be an effective tool for assessment and treatment of a variety of speech disorders across a wide age range. The present thesis is part of a larger study examining the effectiveness of using EPG in assisting second language (L2) learners to acquire the German fricatives , [x], and //. Real and nonsense word productions were collected from six native German speakers. Electrode activation levels were generally highest for and lowest for [x]. Even when considering the impact of vowel context, [x] consistently showed only trace linguapalatal contact. Further research regarding the use of EPG as a tool for second language acquisition may include the development of linguapalatal contact maps from which L2 learners can compare their production of , [x], and // to native production. It is hoped that the information contained in this thesis will expand the current uses of EPG as a tool to assist L2 learners in acquiring non-native speech sounds.

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