People lack the capacity to
fully control their eye gaze, and
what they look at the longest is
the strongest predictor of what
they will buy. Furthermore, most
purchasing decisions are made
very quickly and automatically
without substantial cognitive input,
usually in less than a second.
4 And choices of foods high
in fat and sugar are made more
quickly than are choices of
healthful foods such as fruits
and vegetables.4 For all these
reasons, promotional displays of
low-nutrient foods are both particularly
influential