INVESTIGATING EFFECTS OF COMPUTER–BASED GRAMMAR TUTORIALS by Anna Kolesnikova An Abstract Of a thesis submitted in partial fulfillment of the requirements for the Doctor of Philosophy degree in Second Language Acquisition in the Graduate College of The University of Iowa July 2011 Thesis Supervisor: Associate Professor Judith Liskin-Gasparro 1 ABSTRACT This dissertation study examined a broad question of whether computer-based grammar tutorials are effective and welcome tools to review grammar for language learners by investigating effects of three different modes of such tutorials on learners’ knowledge and satisfaction. For this study, I developed experimental tutorials in three different modes (a static text with a voice-over narration, an animated text with a voice- over narration, and a recording of a real teacher) for two target structures of German grammar (regular verb conjugation and separable-prefix verbs). In total, there were more than 100 Elementary German students at two public Midwestern universities, who participated in different stages of the study. The participants represented a mostly homogeneous group with characteristics that are common for college-level learners. There were two parallel experiments in this study that employed identical methods but focused on two different target structures. Thus, both experiments examined the effect of the three study tutorials on learners’ knowledge and satisfaction, but Experiment 1 focused on the regular verb conjugation, whereas Experiment 2 focused on the separable-prefix verbs. For each experiment, the participants completed a pretest, worked with the assigned tutorial mode, completed a posttest, and filled out a number of questionnaires. The results of the analysis demonstrated that the study tutorials helped learners to significantly improve their knowledge of grammar; however, the mode of the tutorial did not make a difference. Likewise, all modes of tutorial received similar satisfaction ratings; however, additional qualitative analysis suggested that a considerable number of the participants preferred the animated mode. The findings of the study demonstrate that computer-based grammar tutorials can be effective and welcome tools to review grammar for language learners. Moreover, 2 tutorials of this type can be a viable method of achieving the desired balance between the form- and meaning-focused activities in language classrooms. Also, such tutorials appeal to learners because they support more individualized learning. Abstract Approved: ____________________________________ Thesis Supervisor ____________________________________ Title and Department ____________________________________ Date INVESTIGATING EFFECTS OF COMPUTER–BASED GRAMMAR TUTORIALS by Anna Kolesnikova A thesis submitted in partial fulfillment of the requirements for the Doctor of Philosophy degree in Second Language Acquisition in the Graduate College of The University of Iowa July 2011 Thesis Supervisor: Associate Professor Judith Liskin-Gasparro Copyright by ANNA KOLESNIKOVA 2011 All Rights Reserved Graduate College The University of Iowa Iowa City, Iowa CERTIFICATE OF APPROVAL _______________________ PH.D. THESIS _______________ This is to certify that the Ph.D. thesis of Anna Kolesnikova has been approved by the Examining Committee for the thesis requirement for the Doctor of Philosophy degree in Second Language Acquisition at the July 2011 graduation. Thesis Committee: ___________________________________ Judith Liskin-Gasparro, Thesis Supervisor ___________________________________ Stephen Alessi ___________________________________ Kathy Schuh ___________________________________ Bruce Spencer ___________________________________ James Maxey ___________________________________ George Woodworth To my parents, Nadezda and Ilya. ii ACKNOWLEDGMENTS Working on my dissertation has been an exciting journey and I would like to thank everyone who contributed to this research project. I owe my deepest gratitude to my dissertation advisor, Dr. Judy Liskin-Gasparro, for her constant support and encouragement of my project from its initial to the final stages. I also am heartily thankful to all my committee members—Drs. Steve Alessi, Jim Maxey, Kathy Schuh, Bruce Spencer, and George Woodworth—for their timely cooperation and insightful feedback that guided my work on this project. This project would not have been possible without help of my long-time friend, Fatima Baig, who bravely agreed to be the instructor in my experimental tutorials and patiently assisted me in creating them all the way through. I am also very grateful to Professors Bruce Spencer at and John Balong, who lent their time as content experts and to Regina Range for her help as a second rater for this study. Their timely assistance and expert opinions were invaluable for assuring the validity of materials and analysis. I am very grateful to all instructors, teaching assistants, and to over 200 German students who participated in various parts of my research throughout the years. Also, I wish to thank Rebecca Bohde for assisting me with the technical issues in the preparation for the data collection. I would like to thank the Foreign Language Acquisition Research and Education (FLARE) program, and especially Dr. Roumyana Slabakova, for providing financial support of my project. I would like to thank all professors in FLARE for sparking my interest in research and teaching me by example what good research practices are. Lastly, my deepest appreciation goes to my husband Jim for his patience and support of me on my dissertation journey. iii ABSTRACT This dissertation study examined a broad question of whether computer-based grammar tutorials are effective and welcome tools to review grammar for language learners by investigating effects of three different modes of such tutorials on learners’ knowledge and satisfaction. For this study, I developed experimental tutorials in three different modes (a static text with a voice-over narration, an animated text with a voice- over narration, and a recording of a real teacher) for two target structures of German grammar (regular verb conjugation and separable-prefix verbs). In total, there were more than 100 Elementary German students at two public Midwestern universities, who participated in different stages of the study. The participants represented a mostly homogeneous group with characteristics that are common for college-level learners. There were two parallel experiments in this study that employed identical methods but focused on two different target structures. Thus, both experiments examined the effect of the three study tutorials on learners’ knowledge and satisfaction, but Experiment 1 focused on the regular verb conjugation, whereas Experiment 2 focused on the separable-prefix verbs. For each experiment, the participants completed a pretest, worked with the assigned tutorial mode, completed a posttest, and filled out a number of questionnaires. The results of the analysis demonstrated that the study tutorials helped learners to significantly improve their knowledge of grammar; however, the mode of the tutorial did not make a difference. Likewise, all modes of tutorial received similar satisfaction ratings; however, additional qualitative analysis suggested that a considerable number of the participants preferred the animated mode. iv The findings of the study demonstrate that computer-based grammar tutorials can be effective and welcome tools to review grammar for language learners. Moreover, tutorials of this type can be a viable method of achieving the desired balance between the form- and meaning-focused activities in language classrooms. Also, such tutorials appeal to learners because they support more individualized learning. v
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