Adaptive Value of Similarity
The source argues that resemblance is often a useful cue, but can mislead when an image, symbol, or imitation is treated as the object it represents.
THE IDEA
The source offers an evolutionary explanation for reliance on resemblance: appearance can be a useful cue because, in the world we evolved in, causes often do resemble effects, and most things that look like tigers are tigers. In the natural world, of course, mimicry takes advantage of this general tendency as a way to induce misidentification of a species. However, this generally useful heuristic becomes more of a bias in the worlds created by cultures, which invariably include art, symbolic language, and images. With images and words to represent objects, extensions of the law of similarity would cause us to fear a picture of a tiger or a toy gun.
When to use it
Marketing: Using familiar visual cues to build trust and recognition for a brand.
Security: Designing training programs to help people distinguish real threats from decoys or simulations.
Education: Teaching students to critically evaluate sources and not rely solely on surface appearances.
Digital Communication: Understanding why people might react emotionally to realistic deepfakes or simulated content.
FROM THEORY TO EVERYDAY LIFE
In practice
Fear of a Picture of a Tiger
A person may feel fear on seeing a realistic photograph of a tiger while knowing it is only an image. Resemblance can evoke an emotional response without a mistaken belief that the tiger is present.
Toy Gun Misidentification
A realistic toy gun can be mistaken for a real weapon, causing alarm. The example shows how resemblance can support an incorrect identification.
A MOMENT TO REFLECT
Put it to work.
Can you recall a situation where you assumed something was true because it looked like something familiar, only to later realize your assumption was incorrect?
How might the adaptive value of similarity heuristic influence your behavior when evaluating online information or images?
When have you reacted to an image or imitation even while knowing it was not the real object?
CONTINUE THE CONVERSATION
Source texts
- Heuristics and Biases The Psychology of Intuitive Judgment (Thomas Gilovich, Dale Griffin, Daniel Kahneman)