What type of code did each job in the Dictionary of Occupational Titles receive?

Each job in the Dictionary of Occupational Titles (DOT) received a nine-digit code, which uniquely identifies various occupations while also providing information regarding job characteristics. The first three digits of the code represent the occupational group, the next three digits specify the detailed occupation, and the final three digits denote the specific tasks involved within that occupation. This systematic approach allows for comprehensive categorization and analysis of jobs, facilitating workforce development and career counseling by creating a clear and standardized way to reference jobs across different industries.

The other options do not accurately reflect the coding system used in the DOT, as they suggest fewer digits, which would not allow for the level of detail and specificity that the nine-digit code accomplishes.