27 October 2020

Mental Model

Representativeness Heuristic  | Consider the following: Linda is 31, bright, single, and outspoken. She majored in philosophy at the university. As a student, she was deeply concerned with issues of discrimination and social injustice, and also participated in antinuclear demonstrations.

Is it more likely that Laura works at a bank? Or, is it more likely that she works at a bank and is active in the feminist movement?

Opting for the last option is prone to representative heuristic – the tendency to let the similarity of objects or events confuse one’s thinking the probability of an outcome. Because the possibility that Linda is active in the feminist movement is a subset of a more inclusive category, the probability of her just working at a bank is simply higher.


TextNow | For most Americans, a data plan is the most expensive part of owning a phone. Textnow offers unlimited ad-supported calls and texts for free, and has become wildly popular, with over 15M monthly users.

As the mobile industry has consolidated, prices have risen, to the point that 21% of Americans report spending more on their phone service than on groceries.


Learn Anything | is an Open Source Website built by community to Learn Anything with Interactive Maps. Here


Physical Representation | Think about money…

It is the physical representation of time…

To increase the amount of money you make, you must either:

  • Extend people’s time (Medicine and Legal)
  • Free up people’s time (Service and Technology)
  • Steal people’s time (Entertainment)


Oil Diffuser | This Smart Wi-Fi Essential Oil Diffuser syncs the atmosphere of your room up with your mood though this app-controlled essential oil diffuser. On your phone or through Amazon Alexa, you can adjust the color and frequency of the mist. Here



It is not because things are difficult that we do not dare; it is because we do not dare that things are difficult.

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