TISOT Thinking – Introduction

Why “thinking instructors”?

In 1979, Edward de Bono wrote from London to me in New York about my idea: to train thinking instructors around the world.

Edward was excited about my idea of focusing on ‘thinking instructors’ not just on trainees. He agreed that training instructors would produce a higher level of skill and greater motivation. Also, because instructors are replicators this would also have a greater spread effect and assist in the SOT mission: to teach thinking as a skill around the world.

Edward wrote,  “Your idea of training thinking instructors is brilliant” . So, we co-founded the School of Thinking on November 17, 1979.

TISOT Thinking

TISOT Thinking is the training I give to SOT Thinking Instructors. It includes powerful and effective train-the-trainer principles I learned in the Australian Army.

Many of the TISOT lessons are the same as the basic SOT. However, they are repeated from the instructor’s viewpoint.

Each repetition produces a higher level of training. Learning by teaching. When the instructor explains a lesson to another she must first learn to explain it to herself. And, of course, the higher level of training produces a higher level of thinking.

SDNT – Start – D0 – Notice – Think.

Getting started is the magic moment. Flipping the switch from OFF to ON! So, this is your first lesson in TISOT Thinking and the rest will follow.


What idea or insight interests you most from this lesson?

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