| 中文摘要 | 第1-9页 |
| ABSTRACT | 第9-13页 |
| Acknowledgments | 第13-24页 |
| Introduction | 第24-29页 |
| ·Overview | 第24-26页 |
| ·Research Background and Motivation | 第26-27页 |
| ·Research Focus of the Present Study | 第27-28页 |
| ·The Structure of the Dissertation | 第28-29页 |
| Chapter One LITERATURE REVIEW | 第29-57页 |
| ·Definition of Terms | 第29-37页 |
| ·Terms related to the stress patterns | 第29-36页 |
| ·stress | 第29-31页 |
| ·Stress placement | 第31-34页 |
| ·Acoustic correlates of stress | 第34-36页 |
| ·Terms related to second language acquisition | 第36-37页 |
| ·Frequency effects | 第36页 |
| ·Teacher instruction | 第36-37页 |
| ·Major Issues and Theories | 第37-49页 |
| ·Rhythm categorization | 第38-42页 |
| ·The characteristics of English stress patterns | 第42-43页 |
| ·Frequency effects in Language learning | 第43-49页 |
| ·Overview | 第43-46页 |
| ·The role of frequency effects in L2 speech learning | 第46-48页 |
| ·The role of imitation and repetition in L2 speech learning | 第48-49页 |
| ·Empirical Studies on the Acquisition of L2 English Stress Patterns | 第49-53页 |
| ·Stress placement | 第50-51页 |
| ·Contrast between syllables of different prominence levels | 第51-52页 |
| ·Stress patterns and meaning conveying | 第52页 |
| ·The effectiveness of explicit instruction on the learning of L2 English stress patterns | 第52-53页 |
| ·Unresolved Issues in L2 Speech Acquisition | 第53-57页 |
| ·Research gaps | 第54页 |
| ·Solutions in the present study | 第54-57页 |
| Chapter Two METHODOLOGY | 第57-86页 |
| ·Research Questions | 第57-58页 |
| ·Participants | 第58-59页 |
| ·Participants in Stage One | 第58-59页 |
| ·Participants in Stage Two | 第59页 |
| ·Instruments | 第59-63页 |
| ·The imitation material | 第59-62页 |
| ·The interviews | 第62页 |
| ·The software program | 第62-63页 |
| ·Data Collection | 第63-73页 |
| ·Data collection for Stage One | 第63-68页 |
| ·Data collection for Stage Two | 第68-73页 |
| ·Treatment steps | 第68-70页 |
| ·Teacher instruction | 第70-73页 |
| ·The interviews | 第73页 |
| ·Data Analyses | 第73-86页 |
| ·Stress placement | 第73-77页 |
| ·Contrast between syllables of different prominence levels | 第77页 |
| ·Measurement of duration | 第77-79页 |
| ·Measurement of pitch | 第79-80页 |
| ·Inter-stress intervals | 第80-84页 |
| ·The measurements of four rhythm indices | 第84-86页 |
| Chapter Three RESULTS AND DISCUSSION:EFFECT OF REPEATED LISTENING ANDIMITATION ON ENGLISH STRESS PATTERNS | 第86-143页 |
| ·Placement of Stresses | 第86-112页 |
| ·Placement of nuclear stresses | 第86-95页 |
| ·Placement of non-nuclear stresses | 第95-112页 |
| ·Performances before and after the treatment | 第95-111页 |
| ·Discussion | 第111-112页 |
| ·Contrasts between Syllables of Different Prominence Levels | 第112-126页 |
| ·Duration Ratios | 第113-120页 |
| ·Ratios of nuclear to non-nuclear stressed syllables | 第113-117页 |
| ·Before the treatment | 第113-115页 |
| ·After the treatment | 第115-117页 |
| ·Ratios of stressed to unstressed syllables | 第117-120页 |
| ·Pitch ratios | 第120-126页 |
| ·Ratios of nuclear to non-nuclear stressed syllables | 第120-124页 |
| ·Before the treatment | 第120-122页 |
| ·After the treatment | 第122-124页 |
| ·Ratios of stressed to unstressed syllables | 第124-126页 |
| ·Summary | 第126页 |
| ·Rhythmic Features of Stressed and Unstressed Syllables in L2 Speech | 第126-143页 |
| ·Inter-stress Intervals (ISI) | 第127-132页 |
| ·Before the treatment | 第127-129页 |
| ·After the treatment | 第129-132页 |
| ·The Four Indices for rhythm features | 第132-143页 |
| ·Before the treatment | 第133-136页 |
| ·After the treatment | 第136-141页 |
| ·Summary | 第141-143页 |
| Chapter Four RESULTS AND DISCUSSION:EFFECTS OF REPEATED LISTENING ANDIMITATION ACCOMPANIED BY TEACHER INSTRUCTION | 第143-162页 |
| ·Placement of Stresses | 第143-149页 |
| ·Placement of nuclear stresses | 第144-145页 |
| ·Placement of non-nuclear stresses | 第145-149页 |
| ·Contrasts between Syllables of Different Prominence Levels | 第149-153页 |
| ·Duration ratios | 第149-151页 |
| ·Pitch ratios | 第151-153页 |
| ·The Rhythmic Features | 第153-159页 |
| ·The inter-stress interval | 第153-155页 |
| ·The four indices | 第155-159页 |
| ·Discussion | 第159-162页 |
| ·The effects of the teacher instruction:Awareness raising | 第159-160页 |
| ·The effects of teacher instruction:Facilitating articulation | 第160-162页 |
| Chapter Five FINDINGS, IMPLICATIONS AND LIMITATIONS | 第162-176页 |
| ·Major Findings | 第162-164页 |
| ·Effects of repeated listening and imitation | 第162-163页 |
| ·Effects of repeated listening and imitation accompanied by the teacher instruction | 第163-164页 |
| ·Implications | 第164-173页 |
| ·Theoretical implications | 第164-166页 |
| ·Pedagogical implications | 第166-173页 |
| ·Strengths and Limitations | 第173-174页 |
| ·Suggestions for Future Research | 第174-176页 |
| References | 第176-190页 |
| Appendix | 第190-196页 |
