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1、AThesisfortheDegreeofMasterofArtsroomforUStomakefurtherattestationandmodification．SothisthesisaimstotestifyandmodifytheInvolvementLoadHypothesisoncollegestudents．Inotherwords，wetrytoinvestigatetheeffectsoftaskdemandsonvocabularyretentiontoseeiftasksgeneratingmore
2、elaborationorcognitiveeffortsonfeaturesofnewL2word(definedas‘involvement’inthehypothesis)willleadtobetterretentionofnewwords．WealsoattempttomodifytheHypothesisbytakingthetime—on-taskintoconsideration．WehopethefindingsofOurstudycallperfect0111"knowledgeaboutincide
3、ntalvocabularylearningbycollegestudentsinChina．WealsohopethatOUreffortswillbenefitEnglishteachersandEnglishtextbookcompilersinprovidingthemwithguidanceforselectinganddesigningappropriatetasksforincidentalvocabularylearningintheclassroom1．3Approachforthepresentstu
4、dyThisthesistakesaquantitativeapproachtoinvestigatetheeffectsofdifferentreadingtasksonL2learners’vocabularyretention．Itadoptsthestatisticalapproachofone—wayANOVAtoanalyzethedatawhichiscollectedbymeansofallimmediatevocabularytestandadelayedvocabularytestwithasampl
5、eof71non—Englishmajors(41and30intermediateEnglishlevelstudentsintwointactclassesrespectivelyofthesamecollege)．AllreadingtasksandvocabularytestsaredevelopedbytheauthorwithreferencetopreviousstudiesonincidentalvocabularyacquisitionsuchasHulstijn(1992)，Watanabe(1997
6、)，Laufer&Hulstijn)(2001)．Theauthorwillcollectthefirst—handdatafromsubjectsatthesametimeinordertoensurethereliabilityandvalidityofvocabularytests．Ontheotherhand,theparticipantsinthisempiricalstudyarerequiredtoperformdifferentreadingtaskswithoutbeingtoldinadvanceth
7、attheywillbetestedafterwardsontheirrecallofthosenewwords’meanings．Itistoensurethatthesubjectsacquirenovelvocabularyincidentallythroughreading．TheStatisticalPackagefortheSocialScience(sess，version13．0)isemployedtohelpanalyzetherawdataandgeneratestatisticalinformat
8、ion．WeexpecttogetsomeusefulfindingsfromthetestresultsandwehopethatOurfindingswillshedsome1ightonincidentalvocabularyacquisition．1．4KeyResearchQuestionsTheprese
