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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

TALKING TO AI TUTORS: SPEAKING PRACTICE USING A JAPANESE LANGUAGE LEARNING APP TO IMPROVE L2 LEARNERS’ FLUENCY

Nakayama, Ryo 28 June 2022 (has links)
This study examines (1) whether L2 learners’ oral fluency and accuracy improve through conversation practice with AI tutors in a Japanese language learning app, (2) when fluency increases, and (3) which learning cycle is most effective. Ten participants joined the study and practiced conversations with Kaizen Languages’ AI tutors for three weeks. Learners selected their preferred learning cycle: a group with fewer lessons to complete per day but more practice days per week or a group with more lessons to complete per day but less frequent practice days per week. After three weeks of self-study, participants took an oral test to show how much they improved their fluency and accuracy in new contexts. The results of this study show that not only did learners’ oral fluency improve with the use of the Kaizen app, but their oral accuracy also increased. In addition, learners who improved their fluency practiced repeatedly, and their fluency improved until three or four repetitive practices. Although this study did not find an effective learning cycle, it implies that the ideal learning cycle requires at least three times of practice to improve fluency, while five to six times of practice produces higher accuracy.
2

Da percepção à performance: um estudo do emprego do aplicativo móvel Duolingo no processo de ensino e aprendizagem de alemão como língua estrangeira em contexto universitário / From the perception to performance: a study of use of mobile application Duolingo in the process of teaching and learning German as a foreign language in a university context

Melo, Telma de Macedo 27 February 2019 (has links)
O presente estudo se propõe a investigar a utilização do aplicativo móvel Duolingo no processo de ensino e aprendizagem de alemão como língua estrangeira em contexto de ensino presencial universitário. A pesquisa objetiva mapear os hábitos de uso de Apps, a satisfação dos usuários após o uso orientado da ferramenta, bem como o desempenho e a persistência dos aprendizes na realização de tarefas ao longo de um semestre. Com esses dados criamos um panorama que busca esclarecer em que medida o App Duolingo é apropriado para uso nas fases iniciais do processo de aprendizagem de alemão no contexto investigado. Para tanto, utilizamos três instrumentos de coleta de dados. No primeiro momento, aplicamos uma sondagem prévia para identificar os hábitos e as crenças dos informantes em relação ao aprendizado por meio de Apps. Em seguida, realizamos uma intervenção didática em uma turma de aprendizes de alemão e, com o auxílio da Plataforma Duolingo para Escolas, montamos um grupo de controle, delegando tarefas para testar a ferramenta. Dessa forma, coletamos dados mediante os relatórios automáticos de atividade, os quais permitiram verificar o desempenho, a persistência e a autonomia dos aprendizes nas atividades realizadas por meio do App. Na última fase de coleta, utilizamos um roteiro de avaliação da usabilidade pedagógica, com o qual verificamos a satisfação e a motivação dos usuários na utilização do App. Por fim, concluímos que o App Duolingo é uma ferramenta que pode ser empregada para complementar o ensino presencial de alemão, auxiliando no processo de aquisição de vocabulário. A pesquisa contribui para esclarecer as questões que se colocam acerca da utilização dos aplicativos móveis no ensino de língua estrangeira, dado que apresenta instrumentos para o desenvolvimento de avaliações da usabilidade pedagógica dos Apps destinados à aprendizagem, aponta para a importância dos Apps como ferramentas de apoio ao processo de aprendizagem de alemão, coloca à mostra a adesão massiva dos aprendizes ao uso de Apps, além de assinalar algumas relações entre as crenças, a motivação e a autonomia e os recursos digitais dos Apps. / This study aims to investigate the use of mobile application Duolingo in the process of teaching and learning German as a foreign language (FL) in the context of classroom learning at university. At first, the use of a learning App was mapped, as well as learners satisfaction after guided use of the App, their performance and persistence while doing the App tasks along one semester. With such data, an overview was established in order to verify to what extent the Duolingo App is appropriate for German basic level learning. Therefore, the data were collected in three steps. Firstly, a probe was applied to identify users habits and beliefs in learning a FL with mobile Apps. After that, a didactic intervention was made in one German class, and by using Duolingo App for Schools a control group was established to test the App tools. Thus, data were collected through automatic activities reports, which allow for the analysis of learners performance, persistence and autonomy while using the App. Lastly, an evaluation script was applied in order to check the pedagogical usability, which evidenced learners satisfaction and motivation while using the App. It was concluded that Duolingo App is a possible tool to complement the activities in a German classroom, as it helps the vocabulary learning process. This research contributes to elucidating the questions about the usability of mobile Apps such as Duolingo in FL learning, for it presents tools for developing pedagogical usability evaluation. What is more, this research shows the importance of mobile Apps in the German learning process, evidences learners massive interest in using Apps, and points out some relationships between the Apps digital resources and learners beliefs, motivations, and autonomy.

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