DataCollection-Basic tools for process improvement

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1、BasicToolsforProcessImprovementModule7DATACOLLECTIONDATACOLLECTION1BasicToolsforProcessImprovementWhatisDataCollection?DataCollectionhelpsyourteamtoassessthehealthofyourprocess.Todoso,youmustidentifythekeyqualitycharacteristicsyouwillmeasure,howyouwillmeasurethem,andwhatyouwilldowiththedatayou

2、collect.Whatexactlyisakeyqualitycharacteristic?Itisacharacteristicoftheproductorserviceproducedbyaprocessthatcustomershavedeterminedisimportanttothem.Keyqualitycharacteristicsaresuchthingsasthespeedofdeliveryofaservice,thefinishonasetofstainlesssteelshelves,theprecisionwithwhichanelectroniccom

3、ponentiscalibrated,ortheeffectivenessofanadministrativeresponsetoataskingbyhigherauthority.Everyproductorservicehasmultiplekeyqualitycharacteristics.Whenyouareselectingprocessestoimprove,youneedtofindouttheprocesses,orprocesssteps,thatproducethecharacteristicsyourcustomersperceiveasimportantto

4、productquality.DataCollectionisnothingmorethanplanningforandobtainingusefulinformationonkeyqualitycharacteristicsproducedbyyourprocess(Viewgraph1).However,simplycollectingdatadoesnotensurethatyouwillobtainrelevantorspecificenoughdatatotellyouwhatisoccurringinyourprocess.Thekeyissueisnot:Howdow

5、ecollectdata?Rather,itis:Howdoweobtainusefuldata?Whydoweneedtocollectdata?EveryprocessimprovementeffortreliesondatatoprovideafactualbasisformakingdecisionsthroughoutthePlan-Do-Check-Actcycle.DataCollectionenablesateamtoformulateandtestworkingassumptionsaboutaprocessanddevelopinformationthatwil

6、lleadtotheimprovementofthekeyqualitycharacteristicsoftheproductorservice.DataCollectionimprovesyourdecision-makingbyhelpingyoufocusonobjectiveinformationaboutwhatishappeningintheprocess,ratherthansubjectiveopinions.Inotherwords,Ithinktheproblemis...becomes...Thedataindicatetheproblemis...(View

7、graph2).Whydoweneedawell-definedDataCollectionprocess?Foryourteamtocollectdatauniformly,youwillneedtodevelopaDataCollectionplan.Theelementsoftheplanmustbeclearlyandunambiguouslydefined—operationallydefined.Youmaywanttopausehereandreview