Think about thinking with critical thinking trivia on mental models, systems thinking, creative problem solving, and the art of reasoning well. From first principles to the frameworks great minds use to untangle hard problems, sharp thinking is a skill anyone can train. Question everything and see if your reasoning survives the gauntlet.

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Mihaly Csikszentmihalyi studied this optimal psychological state where people become fully immersed in activities, losing track of time while performing at peak creativity.
This term describes viewing a problem by examining all its interconnected parts rather than isolated components.
Edward de Bono coined this term for solving problems by approaching them indirectly, using reasoning that isn't immediately obvious or following step-by-step logic.
When you turn up your thermostat and the heater runs until the room reaches the set temperature, then shuts off, this is an example of this type of loop.
This technique involves rapidly generating rough physical versions of ideas using simple materials like paper, cardboard, or clay to test concepts quickly and cheaply.
This common diagram uses arrows to show how different elements in a system influence and connect to each other.
This phrase describes the tendency for groups to quickly agree without critical evaluation, which social psychologist Irving Janis identified as dangerous to creative decision-making.
When a microphone gets too close to a speaker and creates a loud screech that keeps getting louder, this demonstrates this type of loop.