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On taxis, illusions and heffalump traps

Every day, in so many ways, we fool ourselves. Peter Ayton, professor of psychology at City University London, describes some of the pitfalls our brains create

Peter Ayton
© DPA

On taxis, illusions and heffalump traps

Every day, in so many ways, we fool ourselves. Peter Ayton, professor of psychology at City University London, describes some of the pitfalls our brains create

Peter Ayton

Heffalump Trap

In the beloved children’s book Winnie-the-Pooh, Pooh and Piglet dig a trap to catch a heffalump, drawn as a type of elephant. No heffalumps are caught, but in another adventure, Pooh and Piglet fall into their own trap. The term has become shorthand for a large, crass trap, particularly one self-initiated, that no one should fall for but many actually do.

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