任務類型，任務執行標準，任務類型重複對中國英語學習者口語產出的影響（簡體書）

Onehundredandforty-fourChineselearnersofEnglishparticipatedinthestudy.Theywererandomlypairedandassignedtoeitheramaptaskorapicture-storytask.Twoexemplarsofeachtasktypewereusedonseparateoccasions（oneweekapart）.Eachtaskgroupwasfurtherdividedintotwoexperimentalgroupshighcriterion（HC）andlowcriterion（LC）andacontrolgroup.BoththeHCandtheLCgroupswereinformedattheoutsetthattheywouldbeaskedtoperformanadditionalactivityuponcompletionofthebaselinetask.TheHCspeakersundertookamoredemandingposttaskactivity，andtheLCgroupalessdemandingone.Noextraposttaskrequirementwasimposedonthecontrolgroup.Awiderangeofmeasureswereemployedtoevaluatetheparticipants'languageproductionintermsofcomplexity，accuracyandfluency.．

陸幸生，1953年生，江蘇海門人。中國作家協會會員，一級作家。出版有長篇小說《銀色誘惑》《銀豹花園》《銀狐之劫》《掃黃打非風雲錄》等。《筆底明珠終璀璨（陸幸生隨筆）》收錄的是一些散文、雜文和隨筆。內容包括《我看宋思明》、《論美》、《劍氣簫心龔自珍》、《千秋文筆血淚史——讀《我與胡風》》、《詩人豈是醫國手？》、《秦淮風月憶繁華》等。．

ABSTRACT
ACKNOWLEDGEMENTS
LIST OF TABLES
LIST OF ABBREVIATED TERMS
1 INTRODUCTION
1.1 BACKGROUND TO THE RESEARCH
1.2 PURPOSE OF THE STUDY
1.3 IMPORTANCE OF THE STUDY
1.4 STRUCTURE OF THE THESIS

2 LITERATURE REVIEW
2.1 INTRODUCTION
2.2 DEFINING AND CATEGORISING TASKS
2.3 AN INTERACTIONAL APPROACH
2.4 A COGNITIVE APPROACH
2.5 CONNECTING INTERACTION RESEARCH AND TASK RESEARCH
2.6 A SOCIOCULTURAL PERSPECTIVE
2.7 RATIONALE FOR THE STUDY

3 RESEARCH METHODOLOGY
3.1 INTRODUCTION
3.2 PURPOSE AND FOCUS OF THE STUDY
3.3 RESEARCH QUESTIONS
3.4 RESEARCH DESIGN
3.5 PARTICIPANTS
3.6 PROCEDURES
3.7 DATA TRANSCRIPTION
3.8 CODING
3.9 INTER-RATER RELIABILITY
3.10 ANALYSING COMPLEXITY, ACCURACY AND FLUENCY
3.11 STATISTICAL ANALYSES
3.12 CONCLUSION

4 RESULTS
4.1 SYNTACTIC COMPLEXITY
4.2 LEXICAL DIVERSITY
4.3 ACCURACY
4.4 FLUENCY
4.5 PRODUCTIVITY
4.6 POST-TASK INTERVIEWS
4.7 SUMMARY OF MAIN RESULTS

5 DISCUSSION
5.1 TASK TYPE AND LANGUAGE PRODUCTION
5.2 TASK PERFORMANCE CRITERIA AND LANGUAGE PRODUCTION
5.3 TASK-TYPE REPETITION AND LANGUAGE PRODUCTION
5.4 CONCLUSION

6 CONCLUSION
6.1 SUMMARY OF THE STUDY
6.2 PEDAGOGICAL IMPLICATIONS
6.3 CONTRIBUTIONS
6.4 LIMITATIONS
6.5 DIRECTIONS FOR FUTURE RESEARCH
6.6 CONCI.UDING REMARKS
REFERENCES
APPENDIX A TASK INSTRUCTIONS AND
TASK MATERIALS
APPENDIX B GUIDED QUESTIONS FOR
POST-TASK INTERVIEWS
APPENDIX C TRANSCRIPTION SYMBOLS
APPENDIX D SAMPLES OF THE SPEECH DATA
TRANSCRIPTS
APPENDIX E SAMPLES OF THE INTERVIEW
DATA
APPENDIX F ADDITIONAL RESULTS OF
STATISTICAL ANALYSES
APPENDIX G A SAMPLE OF DATA FOR
STATISTICAL ANALYSES．