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1、InternationalJournalofMedicalInformatics(2005)74,519—526Technologyinducederrorandusability:TherelationshipbetweenusabilityproblemsandprescriptionerrorswhenusingahandheldapplicationAndreW.Kushniruka,∗,MarcM.Triolab,ElizabethM.Boryckic,BenSteind,JosephL.KannryeaSchoolofHealthInformatio
2、nScience,UniversityofVictoria,HumanandSocialDevelopmentBuildingA202,3800FinnertyRoad(RingRoad),Victoria,BC,CanadaV8P5C2bSectionofMedicalInformatics,NewYorkUniversitySchoolofMedicine,NewYork,NY,USAcDepartmentofHealthPolicy,ManagementandEvaluation,UniversityofToronto,Toronto,CanadadLen
3、oxHillHospital,NewYork,NY,USAeMt.SinaiMedicalCenter,NewYork,NY,USAReceived2December2004;accepted31January2005KEYWORDSSummaryThispaperdescribesaninnovativeapproachtotheevaluationofaHuman—computerhandheldprescriptionwritingapplication.Participants(10physicians)wereaskedtointeraction;pe
4、rformaseriesoftasksinvolvingenteringprescriptionsintotheapplicationfromUsabilityengineering;amedicationlist.Thestudyprocedureinvolvedthecollectionofdataconsistingoftranscriptsofthesubjectswhowereaskedto‘‘thinkaloud’’whileinteractingwithMedicalerror;theprescriptionwritingprogramtoente
5、rmedications.AlluserinteractionswiththePDA;devicewerevideoandaudiorecorded.AnalysisoftheprotocolswasconductedinHandhelddevices;twophases:(1)usabilityproblemswereidentifiedfromcodingofthetranscriptsandUserinterfacesvideodata,(2)actualerrorsinenteringprescriptiondatawerealsoidentified.Th
6、eresultsindicatedthattherewereavarietyofusabilityproblems,withmostrelatedtointerfacedesignissues.Inexaminingtherelationshipbetweenusabilityproblemsanderrors,itwasfoundthatcertaintypesofusabilityproblemswerecloselyassoci-atedwiththeoccurrenceofspecifictypesoferrorsinprescriptionofmedic
7、ations.Implicationsforidentifyingandpredictingtechnology-inducederrorarediscussedinthecontextofimprovingthesafetyofhealthcareinformationsystems.©2005ElsevierIrelandLtd.Allrightsreserved.1.Introduction∗Correspondingauthor.Tel.:+12507218578;fax:+12504724751.AccordingtotheInstituteofMed
8、icine’srepor