使用者采用知识管理系统之影响因素研究

69使用者採用知識管理系統之影響因素研究─理論模型的比較取向AStudyonInfluencingFactorsofKnowledgeManagementSystemsAdoption:ModelsComparisonApproach***Mei-ChunYeh*,Ming-ShuYuan**摘　要LISREL421AbstractUsingLinearStructuralRelationmodel(LISRELmodel)asanalysismethodandtechnologyacceptancemodelanddecomposedtheoryofplannedbehaviorasresearchfoundation,thisstudyapproachesmainlyfromtheangleofbehavioralintentiontoexaminetheinfluentialfactorsof421employeesadoptingknowledgemanagementsystemsandinthemeantimetocomparethetwomethodmodelsmentionedonthetop.Accordingtotheresearch,thereisno,incomparisonwithtechnologyacceptancemodelanddecomposedtheoryofplannedbehavior,apparentincreaseontheexplanatorypowerwiththeposterior.Ontheaspectofinfluentialfactorsofuserstowardknowledgemanagementsystems,behavioralintentioncanefficientlypredicttheusagebehavior,whileattitude,subjectivenorm,andperceivedbehavioralcontrolthebehavioralintention.Perceivedusefulnesscanonlypredictthebehavioralintentionindirectly,whileperceivedeaseofusecanefficientlypredictperceivedusefulness.Perceivedusefulnessandperceivedeaseofusecanpredictattitudeeffectively.Bothpeerinfluenceandsuperior’sinfluencecanoperativelypredictthesubjectivenorm.Selfefficacyandresourcefacilitatingcanpredictperceivedbehavioralcontrol.Keywords:knowledgemanagementsystems;technologyacceptancemodel;decomposedtheoryofplannedbehavior;linearstructuralrelationmodel*(MasterdegreeinGraduateProgramofInformationandCommunications,ShihHsinUniversity)**(AssociateProfessor,GraduateProgramandDepartmentofInformationandCommunications,ShihHsinUniversity)51/296.06/96.1269-907051/296.06/96.12壹、 前言Alavi&Leidner,2001;Quaddus&Xu,2005951986Tayloruser-drivenmodelTaylor,1986Davis,Bagozzi,&Warshaw,19899188Ajzen,1985WriteOneDavisetal.,1989Davisetal.1989WriteOne0.350.63VenkateshandDavis200044%57%40%Money2004Davis,etal.1989Dillon&Morris,1996Money&Turner,200491939471421貳、 文獻探討Davisetal.1989Roger1983referentgroupsTheoryofreasonedaction:TRAbehaviorintentiontoperformbehaviorattitudetowardbehaviorsubjectivenormconcerningbehaviorbeliefsaboutconsequencesofbehaviornormativebeliefsaboutbehaviorTechnologyacceptancemodel:TAMDavisetal.1989actualsystemuseFishbein,M.,&Ajzen,I.(1975).Beliefs,Attitude,IntentionsandBehavior:AnIntro-ductiontotheoryandResearch.Addition-Wesley,Boston,MA.p16.7251/296.06/96.12externalvariablesTheoryofplannedbehavior:TPBAjzen,1989AjzenAjzen,1985behavioralbeliefsoutcomeevaluationsnormativebeliefsmotivationtocomplycontrolbeliefsperceivedfacilitationDecomposedtheoryofplannedbehavior:DTPBTaylorandTodd1995786Davis,F.D.,Bagozzi,R.P.,&Warshaw,P.R.(1989).UserAcceptanceofComputerTech-nology:AComparisonofTwoTheoreticalModels,ManagementScience,35(8),p.985.73Ajzen1989Davisetal.1989Roger1983referentgroups1.2.TaylorandTodd1995()1.2.3.4.5.Rogers,1983Davisetal.1989Moore&Benbasat,1991TaylorandTodd1995Taylor&Todd,1995()TaylorandTodd1995Ajzen,I.(1989).AttitudeStructureandBehavior.InA.R.Pratkanis,S.J.Breckler,&A.G.Greenwald(Eds.),AttitudeStructureandFunction(p.252).NY:LawrenceErlbaumAssoci-ates.7451/296.06/96.12Taylor&Todd,1995()Ajzen,1991TaylorandTodd1995Compeau&Higgins,1995TriandisresourcefacilitatingconditionstechnologyfacilitatingconditionsTaylor&Todd,1995TaylorandTodd1995參、 研究方法compatibilityRogers,1983technologyfacilitatingconditionsWeb()H175Taylor,S.,&Todd,P.A.(1995).UnderstandinginformationtechnologyusageAtestofcompetingmodels.InformationSystemsResearch,6(2),p.146.7651/296.06/96.12H2aH2bH3aH3bH4()H1H2aH2bH2cH3aH3bH4aH4b77H5aH5bLikert17coefficientofinternalconsistencyCronbach’sα0.7Cronbach’sα0.7肆、 結果與討論LISRELEQSAMOSSAS/Cronbach’sαCronbach’sα70.961670.961670.923070.923030.917930.917940.801540.801540.701540.701560.6255250.732950.966850.966830.954030.954050.949350.949340.955440.955470.849670.84967851/296.06/96.12CALISTAM94LISREL8.7SPSS10.5891002009394954254452544595%0.05379nNdd0.05Zα/2Z0.051.9692600MicrosoftExcelXP600SEM93958960052787.8%10620%4211.2.4170.6%LISREL8.7Bagozzi&Yi,1988;Hair,Anderson,Tatham,&Black,199879()offendingestimates(1)(2)1.01.00.95(3)TY70.97Y160.960.950.480.95T0.040.08Y7Y16Y7Y16()Hairetal.1998X1X2X3X4X5X6X7X8X9X10X11X12X13X14X15X16X178051/296.06/96.12X18X19X20X21X22X23X24X25X26X27X28X29X30Y1Y2Y3Y4Y5Y6Y8Y9Y10Y11Y12Y13Y14Y15Y17811.χ2chi-square1937.345564.20P0χ2chi-square5.284.563GFI0.760.66AGFI0.710.62HuandBentler1999GFI0.9BrowneandCudeck1993GFI0.8GFIAGFIRMSEA0.05RMSEA0.100.092TAMDTPBχ2Chi-SquareP0.051937.34P0.0Df3675564.20P0.0Df1219χ2Chi-Square/35.284.56GFI0.90.760.66AGFI0.90.710.62RMSEA0.050.10.092NFI0.90.970.96NNFI0.90.970.97CFI0.90.970.97IFI0.90.970.97RFI0.90.960.96PNFI0.50.870.88PGFI0.50.640.59AICModelAIC2073.345882.208251/296.06/96.122.1.NFI2.NNFI3.CFI4.IFI5.RFI0.970.970.970.970.96NFINNFICFIIFIRFI0.960.970.970.970.960.93.PNFIPGFIAICPNFIPGFI0.870.640.880.590.5AIC2073.345882.20()Hairetal.1998MeasurementModelFitSMCCRAVE1.SMCLISRELR-SquareSquaredMultipleCorrelationSMCSMC0.5X17X20X21X23X24X29X30Y18Y19Y20SMC0.5SMC0.52.CRCRFornellandLarcker19810.6CR0.780.950.63.AVEBagozziandYi19880.5AVE0.480.880.50.583SMCSMCSMCSMCSMCSMCX10.85X120.78X230.31Y40.79Y