1、揚州大學(xué)碩士學(xué)位論文前概念對初中化學(xué)學(xué)習影響的研究姓名：張莉申請學(xué)位級別：碩士專業(yè)：化學(xué)課程與教學(xué)論指導(dǎo)教師：吳星楊國斌200911012一揚州1人學(xué)碩十學(xué)位論文AbstractStudentshaveformedopinionstothingsandphenomenonbeforeleamingnewknowledgeformallyaccordingtodailyexperienceduringinteractingwithnatu

2、reandsocietyenvironment；Orintheprocessofstudying，studentsalsoformopinionswhicharenotconsistentwithscientificideas，theseopinionsarecalledpreconceptionManyresearchesshowthat，whentheylearnnewknowledge，studentstrytoconnectte

3、xtcontentwiththeirsoriginalknowledgethatisindividualopinion，andtheythinkthemarereasonableinexplainingandjudgingthedailyphenomenaandfacts，SOtheyoftenhardlygiveuporchangethemAndamongteachingpractice，manystudentsrefusetocha

4、ngetheirideasdespiteofbeingtaughtrepeatedlyStudents’originalviewsandopinionsarepotential、spontaneousandunobservable，SO，toourteaching，howtoascertainpreconception，andwhichteachingtacticscanbeadoptedtohelpstudentschangethem

5、，havebeenurgentproblemstobesolvedThisarticlerelatedtothedefinitionoftheconcept，analysisoftheconceptwithasimilarpreconception，andtheconceptofassimilationtheoryconstructivisttheoryandschematheoryasatheoreticalsupportofthet

6、heory，usingthequestionnairemethod，theauthorhasinvestigatedthechemicalpreconceptionofthestudentsingradethreeatajuniormiddleschoolinJiangSuProvince，throughanalysisofthequestionnaireconcluded：(1)Juniormiddleschoolstudents’s

7、cientificconceptshasahighpercentageofthechemicalpreconception；(2)Chemicalpreconceptbeforetheconceptofthecorrectrateofthesource—related；(3)Thereisnosignificantgenderdifferenceofthecorrectratioofchemicalpre—conceptwhichint