Growing up and speaking untruths
Chapter 1

The honest truth about why we fib

Chapter 2

Reading the tells that do not exist

Chapter 3

When lying becomes a habit

Chapter 4

The grand illusions we play on ourselves

YOUR GOAL

Master of The secret life of our little lies

Ch 1 · The honest truth about why we fib
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infamousd The evolutionary role of strategic deception in primate societies

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infamousd Everyday Lying Behavior

We bend the truth to seem cool (oh yeah!) / Ten-minute chat, we slip up twice (yes we did!)

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Social harmony requires managing the gap between private thoughts and public actions.

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infamousd Why humans use harmless white lies to protect social relationships.

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The social glue of white lies

infamousd Psychologists categorize human lies as prosocial or antisocial, explaining why we tell harmless daily lies to protect other

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Growing up and speaking untruths

infamousd Isometric glass and chrome brain model with precise labels mapping the psychology of lying.

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Pants on Fire
BETA

infamousd Spot the suspect's physical tells to master the psychology of deception.

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Fun Fact

Kids and brains: A toddler's first lie is actually a sign of healthy brain development, proving they understand that other people have different thoughts than they do.

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Glossary
fib (noun)
A trivial or unimportant lie. Dan Ariely used a matrix task to study how people tell minor lies to benefit themselves.

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Gossip

Is it ever okay to tell a lie?

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Quiz

In cross-cultural studies, children from collectivist cultures are more likely to lie to achieve which goal?

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infamousd Young children naturally develop the cognitive ability to tell lies

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Quiz

Which primate has been documented using tactical deception, such as faking an injury, to trick its peers?

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infamousd Cultural flavors of honesty

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Quiz

What is the main evolutionary benefit of tactical deception in social animals?

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Quiz

What psychological term describes a child's realization that other people have different thoughts and beliefs than they do?

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Quiz

What is the most common reason young children tell lies?

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Quiz

At what approximate age do children typically start telling their first simple lies?

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Quiz

According to researcher Bella DePaulo's studies, about how many lies does the average person tell per day?

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Quiz

What do psychologists call lies that are told specifically to protect or benefit another person?

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