ABSTRACT
In the biblical story of Gideon, warriors were selected for a special mission by two screenings. The first considered their motivation; those who did not wish to participate were allowed to withdraw. The second involved observations of the way they drank from a body of water; those who put their heads down to the water were eliminated and those who brought water up to their mouths in their hands were chosen. The presumed rationale was that the latter were more alert and watchful.
