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1、EDITOR'SPROOFJrnlID11412_ArtID9146_Proof#1-28/04/2012Computer-SupportedCollaborativeLearningDOI10.1007/s11412-012-9146-z132Scriptedcollaborativelearningwiththecognitive4tutoralgebra5NikolRummel&DejanaMullins&HansSpada6Received:24December2010/Accepted:24April20127#
2、InternationalSocietyoftheLearningSciences,Inc.;SpringerScience+BusinessMedia,LLC201289AbstractWiththeaimtopromotestudents’mathematicslearning,weextendedthe10CognitiveTutorAlgebra(CTA),acomputer-basedtutoringsystemforhighschool11mathematics,toacollaborativesetting.
3、Furthermorewedevelopedacollaborationscript12tosupportstudents’interactions.Inanexperimentalclassroomstudy,wecomparedthree13conditions:scriptedcollaborativelearning,unscriptedcollaborativelearning,andindividual14learning.Aftera2-daylearningphase,posttestsassessedin
4、dividualandcollaborative15reproductionofknowledgeandskills,andfuturelearning.First,withthecollaboration16scriptweaimedtoimprovestudents’interaction.Second,weassumedthatduetoan17improvedinteractionstudentswouldbenefitmorefromthelearningopportunitiesduring18collabor
5、ationand,inconsequence,theirlearningwouldincreaseascomparedwiththeother19conditions.Toinvestigatethefirstassumption,wecomparedtheinteractionofascripted20dyadandanunscripteddyad.Thein-depthprocessanalysesrevealedapositiveimpactofthe21scriptonstudentcollaborationand
6、problemsolvingduringscriptedinteractionandin22subsequentunscriptedinteraction.Whilethiseffectwasmirroredinthelearninggainsof23thetwodyads,wecouldnotestablishagenerallearningeffectinthequantitativebetween-24conditioncomparisonofstudentperformance.Particularlyforstu
7、dentswithlowprior25knowledge,theremovalofthescriptinthetestphaseinitiallyentailedadeclinein26reproductionperformanceasstudentshadtogetusedtotheunscriptedproblem-solvingUNCORRECTEDPROOF27situation.Anotablefindingwas,however,thatthecollaborativeconditionsyieldedthes
8、ame28outcomesastheindividualconditionintheindividualreproductiontesteventhough29studentshadsolvedfewerproblemsduringthelearningphaseandhadonlysolvedthem
