ginny sees a beautiful young woman on the arm of the local billionaire
who is several years her senior. Ginny believes the woman is
associated with the billionare for his money. Ginnys explanation is an
example of:

A social stereotype.  "Characteristics such as sex, race, and age are
apparent to the naked eye.  They serve a generally useful cognitive
function to provide mental shortcuts to judgments and decisions based
on a quick review of a limited amount of information...."

Psychology and Life, 12th edition, by Philip G. Zimbardo, Scott,
Foresman & Co., 1985, page 608

Sincerely,

Wonko