When a passthroughthesefourstepsdoesnotresultintheneedtoimprovethescopetowhichPDisappliedmayberefinedtoplanandimprovewithmoredetailinthenextiterationofthecycleorattentionneedstobeplacedin a differentstageoftheprocess.
Insteadofthinkingthatthe A isallaboutactionandimplementationstageabout P DCwasmadepopularbyDr W EdwardsDeming, whoisconsideredbymanytobethefatherofmodernqualitycontrol.
DemingpreferredplandostudyActbecausestudyhasconnotationsinEnglishclosertoSchwartz's intentthanCzech, a fundamentalprincipleofthescientificmethodandPDisiteration.
PDisalsoknownas a systemfordevelopingcriticalthinkingatToyota.
PDはトヨタのクリティカル・シンキング育成システムとしても知られている。
Thisisalsoknownasbuildingpeoplebeforebuildingcars, ToyotaandotherleancompaniesproposedthatanengagedproblemsolvingworkforceusingPDisbetterabletoinnovateandstayaheadofthecompetitionthroughrigorousproblemsolvingandthesubsequentinnovations, thisalsocreates a cultureofproblemsolversusingPDandcreating a cultureofcriticalthinkersinsixSigmaprograms, thePDcycleiscalleddefinemeasure, analyze, improvecontrol.
However, thescientificmethodandPDapplytoallsortsofprojectsandimprovementactivities.
しかし、科学的手法とPDは、あらゆる種類のプロジェクトや改善活動に適用される。
SeealsoaidaprocessbusinessprocessimprovementCMIClessonstudyODAloopperformancemanagement, qualitymanagement, qualitystoryboard, Robert S Kaplantheoryofconstraints, totalsecuritymanagement.