abstract:In Irish mythology, the Badb (Old Irish, ) or Badhbh (Modern Irish, )—meaning "crow"—was a war goddess who took the form of a crow, and was thus sometimes known as Badb Catha ("battle crow"). She often caused fear and confusion among soldiers in order to move the tide of battle to her favoured side.
It is the phenomenon whereby we assume that because people are good at doing A they will be good at doing B, C and D (or the reverse because they are bad at doing A they will be bad at doing B, C and D).