What is the DMAIC Phase you have the most challenges with? Poll Time! The DMAIC Phase that I have the most challenges with is...*DefineMeasureAnalyzeImproveControlPhoneThis field is for validation purposes and should be left unchanged. Submit View other survey results and more on our Lean Six Sigma Industry Insights page! survey says This Post Has 0 Comments Leave a Reply Cancel replyYou must be logged in to post a comment.