Techniques for Analyzing Empirical经验分析技术

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1、KI2013WorkshoponVisualandSpatialCognitionTechniquesforAnalyzingEmpiricalVisualizationExperimentsThroughVisualMethodsTanjaBlascheckandThomasErtlInstitutforVisualizationandInteractiveSystems,UniversityofStuttgartUniversit¨atsstraße38,70569Stuttgart,GermanyAbstract.Analyzingdatacollectedinempiri

2、calvisualizationexperi-mentsisatimeconsumingtask.Inordertosupportvisualizationdesign-ersanalyzingthedatacollectedduringsuchexperiments,weintendtodevelopananalysismodel.Thisanalysismodelwillautomaticallychooseappropriatevisualanalysismethodsaccordingtoananalysistasktoeval-uateanewvisualization

3、technique.Wewillcontributeanideahowthisanalysismodelcanlooklike,andwhatstepsneedtobetakentodefinethemodel.Furthermore,weinvestigatewhichvisualanalysismethodsareavailableorhavetobedevelopedfirst,andhowanalysistaskscanbedefined.Keywords:AnalysisModel,VisualAnalysisMethods,AnalysisTasks,EmpiricalVi

4、sualizationExperiment1ProblemDescriptionInformationvisualizationhasthegoaltorepresentinformationdatainagraph-icalwaytouncoverconcealedinnerrelationshipsbyofferingsuitablevisualrep-resentations.Toevaluateifanewinformationvisualizationtechniquesupportsausertouncovertheserelationshipsuserexperime

5、ntscanbeconducted[9].Auserexperimentcanforexamplebeaneyetrackingstudywhereparticipantshavetosolvetaskswiththenewvisualizationtechnique.Suchuserexperimentswillbecalledempiricalvisualizationexperimentsinthispaper.Thegenericterm,em-piricalvisualizationexperimentmeansthateverypossibilitytoevaluat

6、eanewvisualizationtechniquescanbeused.Theanalysisprocessevaluatingdatacollectedinempiricalvisualizationex-perimentsisoftenatimeconsumingtask.Furthermore,visualizationdesignersoftendon’thavetheskillstoconductandanalyzesuchexperiments.Therefore,wecontributeaconceptforananalysismodelwhichwillsup

7、portvisualizationdesignerstoanalyzecollecteddatainanexperiment.Thisanalysismodelwillbebasedonanalysistasksandvisualanalysismethods.Ananalysistaskisderivedfromaresearchquestion,tospecifyhowthisresearchquestioncanbevalidated.Forexample,ifanempi