Pub. date: 2008 | Online Pub. Date: June 25, 2008 | DOI: 10.4135/9781412963978 | Print ISBN: 9781412909280 | Online ISBN: 9781412963978| Publisher:SAGE Publications, Inc.About this encyclopedia
Dictionary of Occupational Titles
Mark M. Leach
The Dictionary of Occupational Titles (DOT) was originally developed in 1939 by the U.S. Employment Service (USES) as a means to organize occupational information into one volume using a standardized format. It was produced to assist with job placement, employment counseling, and labor market estimations; the latest edition was published in 1991. With each revision, the number of jobs included fluctuated as markets and jobs change periodically. The 1991 edition included almost 13,000 general and 20,000 separate jobs. Each job is classified according to a 9-digit number, creating a taxonomy designed to ease use. The first of the nine digits referred to one of nine occupational categories: professional, technical, and managerial; clerical and sales; service; agricultural, fishing, ...