Pigeonholing is any process that attempts to classify disparate entities into a small number of categories (usually, mutually exclusive ones).? The term usually carries connotations of criticism, implying that the classification scheme referred to inadequately reflects the entities being sorted, or that it is based on stereotypes. http://en.wikipedia.org/wiki/Pigeonholing
There may be a tendency to think that some behavioral styles are inherently more suited for certain types of careers, roles and making certain types of life or business decisions than others; however that is not the case.? To make this assumption pigeon holes the individual.
For instance, we often associate people trained as Engineers or Accountants as being a certain style of person. Usually, the association is that they are highly structured, planned, detailed and suffer from