Secondly, for those of working age, who are not employed or those who have retired, a description of occupation, if available, will not necessarily be an accurate measure of their income.
For instance, while the ability to use hand function greatly determines whether a person can perform his/her job adequately, hand function is not taken into account in the descriptions of occupations in the DOT and in ranking the physical demands.
Despite this, there has been relatively little use of detailed descriptions of occupation to approximate a measure of material disadvantage, beyond collapsing them into traditional social class measures, despite their ubiquity in many data sources.
However, if you are investigating a possible career choice, you should not be satisfied with a stereotypical description of the occupations involved you want to know exactly what it really means to be a police officer, brain surgeon, or financial analyst.
For the twin sample, SES was either obtained from a full description of the occupation of the parents and subsequently coded [ 8], or obtained by a nine-category classification scheme for occupations [ 13], combined with information on parental education.
Socio Economic Status (SES) in 2002 was assessed using a full description of the occupation of the twins according to the descriptions provided by the Central Office for Statistics in the Netherlands.
The system classifies workers in a four-tiered pyramid fashion, starting with broad major groups and ending with a detailed description of the occupation [ 16].
Other Information on the Web: The National Park Service provides a brief description of the Japanese occupation of Japan (//www.nps.gov/wapa/indepth/extContent/wapa/guides/first/sec4.htm).
We had no objective records of time at work or time off work on which to base our analysis; nor did we have a detailed description of the type of occupation.
We have decided to use the ONET dataset because it is a more recent one, it has been used to test for routinization in Europe (by Goos et al. 2010),2 and in our view it is better suited to explicitly account for the degree of non-routine service content of each occupation.3 The detailed description of the match between occupations and job contents can be found in the "Appendix".
