Direct-response testing found that media choice could change performance fourfold, while creative execution could change it twofold.

Removing The Economist’s paper-only decoy weakened paper-plus-digital subscriptions. Keeping it…

@psychology

A swimming pool can make wearing a bathing suit outdoors feel socially acceptable, even when…

@psychology

A dishwasher’s deeper value may be hiding dirty dishes from view, not washing crockery.

@psychology

Richard Thaler’s boardroom bet offered a 50% chance of raising profits 50% and a 20% chance of…

@psychology

An antiseptic’s sting can reassure people by becoming evidence that the treatment is working.

@psychology

American Express’s cost-free “member since” designation generated billions in value by reducing…

@psychology

Watt and Boulton sold steam engines to mine owners in horsepower, not engineering specifications:…

@psychology

In 1775, Watt and Boulton supplied steam engines upfront and charged for a share of the coal…

@psychology