3 checked facts

Consumer behavior

Everything on this site about consumer behavior — each one naming the study behind it.

One new purchase triggers a cycle of constant upgrades.
The Diderot effect describes how a single acquisition often leads to a spiral of consumption.…
You value items more simply because they are scarce.
A 1975 study demonstrated that cookies presented in a scarce supply (two cookies) were rated significantly higher in q…
Having too many choices makes us buy nothing.
A 2000 study found that while 24 choices of jam attracted more onlookers, only 3% bought any, compared to 30% when off…