Doctors use stethoscopes or take the pulse of a patient to find out if a person is sick or not.Economists have indicators like GDP, inflation, borrowing rates to describe the state of an economy.Drivers use a vehicles dashboard to know if they can reach their destination safely and on time.What can marketers'use?The 54P model below is one way to get to the hear of any marketing problem...Watch the video on youtube...Or see the presentation on slideshare....https://www.slideshare.net/josephdeungria/13-p-approach-for-marketing-analysis-2010-version 54P Marketing Stethoscope and Diagnostic Toolkit: Paradigm Shift from Traditional 4Ps