The basic thought behind these tools and methods are not complex but they are not innate. We as humans tend to overthink and overcomplicate things causing waste in our processes.

Problems are often solved without fixing the root cause, leading to those problems reappearing and the development of workarounds. Root Cause Analysis helps end problems at the source and eliminates rework.

 Ask: Why? 
Why? Why? Why? Why?

Planning and executing (do) initiatives and projects often are done in a linear fashion and will provide limited sustainable results. A cycle or scientific approach to performance improvement will develop continues momentum (Continuous Performance Improvement) with the use of data to measure success and failure. A project is never finished. 

Deming Cycle Plan Do Check Adjust 

What basic thinking (mindset) will drive the transformation and culture change?

Scientific Method