Northwestern University the Acquisition of English Focus
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Northwestern University The Acquisition of English Focus Marking by Non-Native Speakers A DISSERTATION SUBMITTED TO THE GRADUATE SCHOOL IN PARTIAL FULFILLMENT OF THE REQUIREMENTS for the degree DOCTOR OF PHILOSOPHY Field of Linguistics By Rachel Elizabeth Baker EVANSTON, ILLINOIS 2010 1 © Copyright by Rachel Elizabeth Baker 2010 All Rights Reserved 2 ABSTRACT The Acquisition of English Focus Marking by Non-Native Speakers Rachel Elizabeth Baker Second language learners experience difficulties mastering the various linguistic systems of their new language (L2), which may differ from the systems of their native language (L1). Correctly producing and understanding focus marking in a new language may be particularly challenging because it can require knowledge of several of these systems, including phonetics, phonology, syntax, semantics, and pragmatics. This study examines Mandarin and Korean speakers’ acquisition of English prosodic focus marking. In this study, 20 native English speakers, 20 native Mandarin speakers, and 20 native Korean speakers participated in four experiments: 1) a production experiment, in which they were recorded reading the answers to questions, 2) a perception experiment, in which they were asked to determine which word in a recording was the last prominent word, 3) an understanding experiment, in which they were asked whether the answers in recorded question-answer pairs had context-appropriate prosody, and 4) a pitch accent placement experiment, in which they were asked which word they would make prominent in a particular context. Finally, a new group of native English speakers listened to utterances produced in the production experiment, and determined whether the prosody of each utterance was appropriate for its context. Based on the results of the five experiments, I propose a predictive framework for second language prosodic focus marking acquisition. This framework holds that both L1 transfer and features of the L2 itself affect language learners’ acquisition of prosodic focus marking, so it includes two complementary models: the Transfer Model and the L2 Challenge Model. The Transfer Model predicts that prosodic structures in the L2 will be more easily acquired by 3 language learners that have similar structures in their L1 than those who do not, even if there are differences between the L1 and L2 in how the structures are realized. The L2 Challenge Model predicts that for hard tasks, language learners will rely on common prosodic patterns, making them more successful at prosodically marking broad focus than narrow focus. However, for easy tasks, language learners will more successfully mark information structures that have a more direct relationship between focus and accent placement. 4 ACKNOWLEDGEMENTS Many people helped me to complete this dissertation. Ann Bradlow provided invaluable advice, feedback, and encouragement throughout this project. Brady Clark and Janet Pierrehumbert have also given me very helpful guidance on issues ranging from the questions that should be addressed to stimulus design to references in the literature. More generally, the faculty and staff of the Northwestern Linguistics Department have helped me reach this point though their dedicated teaching and approachability. I would particularly like to thank Chun Chan for his assistance with all manner of technical challenges, and Matt Goldrick for his statistical guidance. Of course, my fellow Ph.D. students have helped me both practically and emotionally for the last six years. My family has also provided great support as I worked towards this goal. Patrick Quinan has seen me through all the highs and lows that make up the Ph.D. lifestyle. He has been endlessly supportive and loving. My parents, Rona and Gus Baker, have provided great role models and always supported my decisions. I would also like to thank my grandfather, Stan Baker, for his generous support of my education throughout my life. 5 TABLE OF CONTENTS LIST OF TABLES ........................................................................................................................11 LIST OF FIGURES.......................................................................................................................17 Chapter 1: Introduction and Literature Review…………………………………………….........20 1.1 Introduction………………………………………………………………………….20 1.2 Significance of the Research…..……………………………………………………..22 1.3 Review of the Literature……………………………………………………………..25 1.3.1 Typology of Focus Marking……………………………………………..25 1.3.2 English Prosody and Focus Marking…………………………………….26 1.3.2.1 English Prosody………………………………………………….26 1.3.2.2 English Focus Marking…………………………………………..27 1.3.3 Mandarin Prosody and Focus Marking…………………………………..32 1.3.4 Korean Prosody and Focus Marking……………………………………..35 1.3.5 Do English, Mandarin, and Korean have the same Focus Marking System?......................................................................................................36 1.3.6 Discourse-Level Prosody Production in Non-Native English…………...40 1.3.7 Prosody Perception in Non-Native English……………………………...42 1.3.8 Relationship between Perception and Production……………………….44 1.4 Previous Models of Second Language Acquisition………………………………….46 1.4.1 Transfer Models of Phonological and Phonetic Acquisition…………….46 1.4.2 Non-Transfer Models of Morpho-Syntactic Acquisition………………...50 1.5 Two Types of Models of English Prosodic Focus Marking Acquisition………….....51 1.5.1 Transfer Models……………………………………………………….....54 1.5.1.1 Comparisons between L1s and L2 for Transfer Models………....54 1.5.1.2 Transfer Model Predictions for Pitch Accent Perception and Realization……………………………………………………….55 1.5.1.3 Transfer Model Predictions for Pitch Accent Understanding and Placement………………………………………………………...56 1.5.1.3.1 Opposing Transfer Models…………………………..56 1.5.1.3.2 Different Prominence Locations Hurt………………..58 1.5.1.3.3 Any Prominence Location Helps………………….…59 1.5.2 L2 Challenge Models………………………………………………….…60 1.5.2.1 L2 Challenge Model Predictions for Pitch Accent Perception and Realization……………………………………………………….61 1.5.2.2 L2 Challenge Models’ Predictions for Pitch Accent Understanding and Placement……………………………………………………62 1.5.3 Summary and Comparison of Model Predictions………………………..64 1.6 Native Perception of Non-Native Production………………………………………..65 1.6.1 Strict Native Perception Model…………………………………………..65 1.6.2 Relaxed Native Perception Model……………………………………….66 1.6.3 Summary and Comparison of Model Predictions………………………..67 6 1.7 Relationship between Perception and Production……………………………………67 1.7.1 Perception/Production Dependence Model……………………………....68 1.7.2 Perception/Production Independence Model…………………………….69 1.7.3 Summary and Comparison of Model Predictions……………………......70 Chapter 2: Methods………………………………………………………………………………71 2.1 Introduction…….…………………………………………………………………….71 2.2 General Experiment Structure………………………………………………………..72 2.3 General Materials…………………………………………………………………….73 2.4 Participants…………………………………………………………………………...76 2.5 Experiment 1: Prominence Production Experiment…………………………………79 2.5.1 Experiment 1: Prominence Production Experiment Materials…………..79 2.5.2 Experiment 1: Prominence Production Experiment Design……………..79 2.6 Experiment 2: Prominence Perception Experiment……………………………….....80 2.6.1 Experiment 2: Prominence Perception Experiment Materials…………...80 2.6.2 Experiment 2: Prominence Perception Experiment Design……………..83 2.7 Experiment 3: Prominence Understanding Experiment……………………………..84 2.7.1 Experiment 3: Prominence Understanding Experiment Materials……....84 2.7.2 Experiment 3: Prominence Understanding Experiment Design…………85 2.8 Experiment 4: Prominence Placement Experiment………………………………….86 2.8.1 Experiment 4: Prominence Placement Experiment Materials…………...86 2.8.2 Experiment 4: Prominence Placement Experiment Design……………...86 2.9 Experiment 5: Native Perception of Non-Native Production Experiment……….......87 2.9.1 Experiment 5: Native Perception of Non-Native Production Participants……………………………………………………………….87 2.9.2 Experiment 5: Native Perception of Non-Native Production Experiment Materials………………………………………………………………....88 2.9.3 Experiment 5: Native Perception of Non-Native Production Experiment Design……………………………………………………………………88 2.10 Statistical Analysis…………………………………...……………………………..89 Chapter 3: Non-native Perception and Understanding of English Prosodic Prominence - Experiments 2 and 3……………………………………………………………………………...94 3.1 Introduction…………………………………………………………………………..94 3.2 Experiment 2: Prominence Perception Experiment………………………………….96 3.2.1 Experiment 2: Prominence Perception Experiment Analyses…………...96 3.2.2 Experiment 2: Prominence Perception Native/Non-Native Regressions...98 3.2.3 Experiment 2: Prominence Perception Non-Native Regressions………100 3.2.4 Experiment 2: Prominence Perception Discussion……………………..101 3.3 Experiment 3: Prominence Understanding Experiment……………………………102 3.3.1 Experiment 3: Prominence Understanding Experiment Analyses……...102 3.3.2 Experiment 3: Prominence Understanding Context Regressions……....103 3.3.2.1 Experiment 3: Prominence Understanding Native/Non-Native Context Regressions…………………………………………….103 7 3.3.2.2 Experiment 3: Prominence Understanding Non-Native Context Regressions……………………………………………………..105 3.3.3 Experiment 3: Prominence Understanding Accent Location Regressions……………………………………………………………..107 3.3.3.1 Experiment 3: Prominence Understanding Native/Non-Native Accent Location Regressions…………………………………...107 3.3.3.2 Experiment 3: Prominence Understanding Non-Native