In a 1996 study, subjects read resumes that included head-shots of the supposed applicants.Although all the resumes were identical, the blonde applicants were rated as less competent.
However, because of the dangerous hunting conditions, there were not enough men to go around.
Interestingly, there may be evolutionary reasons why blonde hair is associated with sexual attractiveness.
In prehistoric northern Europe, women could not gather their own food because of the frigid climate, so they had to rely on meat hunted by men.
This trend is reflected in a study where researchers surveyed photos from several different magazine across four decades.
The researchers found that there was a higher percentage of blonde women in the magazines compared to the normal population of white women.