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百词斩之于高中生英语词汇记忆的效度研究 Title:AnInvestigationintotheValidityofBaicizhaninHighSchoolStudents'EnglishVocabularyRetention Abstract: TheaimofthisstudyistoexaminetheeffectivenessofBaicizhan,apopularEnglishvocabularylearningapplication,inimprovinghighschoolstudents'Englishvocabularyretention.TheresearchexploresthevalidityofBaicizhanbyexaminingitsimpactontheacquisition,retention,andrecallofvocabularyitemsamonghighschoolstudents.Additionally,thestudyinvestigatesthepotentialbenefitsandlimitationsofusingamobileapplicationforvocabularylearning. Introduction: Inrecentyears,digitallanguagelearningtoolshavegainedpopularityamongstudents.OnesuchtoolisBaicizhan,whichclaimstoenhancevocabularyretentionthroughitsvariousfeatures,suchasflashcards,wordlists,andcontextualexercises.However,theefficacyofBaicizhaninimprovingvocabularyretentionamonghighschoolstudentsremainslargelyunexplored.ThisstudyaimstoaddressthisgapbyinvestigatingthevalidityofBaicizhaninthecontextofhighschoolstudents'Englishvocabularylearning. Methodology: Participants:Thestudyinvolvedasampleof100highschoolstudents(50malesand50females)agedbetween15and18years.Theparticipantswererandomlyassignedintotwogroups:experimentalgroup(usingBaicizhan)andcontrolgroup(usingtraditionalvocabularylearningmethods). Procedure:Bothgroupswerepretestedtoassesstheirinitialvocabularyknowledge.TheexperimentalgroupthenusedBaicizhanasasupplementarytoolforvocabularylearningforaperiodofthreemonths,whereasthecontrolgroupcontinuedwiththeirusualvocabularylearningstrategies.Post-testswereconductedattheendofthestudytoevaluatetheparticipants'vocabularyacquisition,retention,andrecall. DataAnalysis:Thedatacollectedfromthepreandpost-testswereanalyzedusingstatisticalmeasures,includingmeanscores,t-tests,andeffectsizes.Additionally,aquestionnairewasadministeredtotheexperimentalgrouptogatherfeedbackregardingtheirexperiencewithBaicizhan. Results: Theresultsofthestudyindicatedthattheexperimentalgroup,whichusedBaicizhanasasupplementarytool,demonstratedsignificantlyhigher

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