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The Headscratcher Three Part Model
There are 30 "elements" and "tools" in the HeadScratchers model of thinking.  Building on this foundation, we have refined numerous successful "techniques" for problem solving in a real business environment.  Below is a graphic view of the HeadScratchers Critical Thinking Model.
• Getting to the Because!!; The Why Game
• Conducting Gedanken Experiments        
• Understanding Invention
Beating the Odds
• Asking "So What?"
Doing the Math
• Finding the Key Metrics
Deductive and Inductive Thinking
Abductive Thinking and Creativity
The #1 thing!
Triangular Thinking
Thinking out of "The Box"

Crisis Thinking
Making Decisions
The Model
Examples of Techniques include: