1. Lean in It
   1. WHAT
      1. is a guiding principle that defines the behavior of people that helps in improving the process as a whole.
         1. involves continuous improvement
         2. the focus of the customer on the optimized flow of information
   2. WHY
      1. to achieve small yet incremental changes that positively change the speed, quality, and efficiency
      2. it eliminates the wastes
   3. Lean helps us eliminate
      1. Errors
      2. Excess production
      3. Reduce waiting
      4. Inventory
      5. Transportation
      6. Motion
      7. Over process
   4. Lean in It. Wastes and their elimination
      1. https://www.xmind.net/m/YtcnfN/
   5. Lean In IT. Бережливое производство в ИТ: работа с потерями
      1. https://www.xmind.net/m/bGgr/
2. Six Sigma
   1. WHAT
      1. a series of phases in order to reach the root causes of the problem, eliminating the impact, and making sure that the solution is sustained
   2. WHY
      1. to ensure that the process has minimum defects
   3. DMAIC
      1. Define
         1. the problem, improvement activity, opportunity for improvement, the project goals, and customer (internal and external) requirements
      2. Measure
         1. process performance
      3. Analyse
         1. the process to determine root causes of variation and poor performance (defects)
      4. Improve
         1. process performance by addressing and eliminating the root causes
      5. Control
         1. the improved process and future process performance
3. The benefits
   1. to improve customer satisfaction and experience
   2. to boost productivity
   3. to improve planning and execution
      1. SWOT- Analysis. Back to basics
         1. https://www.xmind.net/m/gfY77F/
   4. to minimize errors
   5. to speed up turnaround time
4. Problem Solving
   1. 8 D in Testing
      1. https://www.xmind.net/m/J7Z4/
   2. 8D. Step 2. Problem Description: 5W2H
      1. https://www.xmind.net/m/fcnd/
   3. 8D. Step 4. Root Cause Analysis. Part 1: FishBone
      1. https://www.xmind.net/m/mNR2/
   4. 8D. Step 4. Root Cause Analysis. Part 2: 5 WHY
      1. https://www.xmind.net/m/SeKk/
   5. 8D:Тестирование отстает от разработки
      1. https://www.xmind.net/m/XZk8/
   6. HOW WE USE PDCA
      1. https://www.xmind.net/m/kGqc/
   7. Tools for Problem solving and continuous improvement
      1. https://www.xmind.net/m/tiAp/
5. Sources
   1. Guide to Understanding Lean and Six Sigma for Manufacturing
6. a data-driven quality strategy used to improve processes