Extraversion and type of job: I put together a list of the mean introversion scores of people in various occupations. I included them if they were significantly higher than average ("introverts") and if they were significantly lower ("extraverts"). The sample size is 16,796 (GSS).
Mail clerks, except postal service 16.3
Laundering and dry cleaning machine operators 16.0
Postal clerks, except mail carriers 15.9
Statistical clerks 15.7
Licensed practical nurses 15.7
Private household cleaners and servants 15.5
Farmers, except horticultural 15.4
Textile sewing machine operators 15.4
Farm workers 15.3
Maids and housemen 15.3
Bus drivers 15.1
Hand packers and packagers 15.1
Laborers, except construction 15.1
Machine operators, n.s. 15.1
Cooks, except short order 14.9
Nursing aides, orderlies, and attendants 14.8
Bookkeeping, accounting, and auditing clerks 14.7
Janitors and cleaners 14.7
Registered nurses 14.5
Managers, properties and real estate 13.1
Real estate sales occupations 13.1
Painters, sculptors, craft-artists, and artist printmakers 13.0
Sales occupations, other business services 12.9
Advertising and related sales occupations 12.5
Actors and directors 12.4
Airplane pilots and navigators 12.1
Securities and financial services sales occupations 11.4
I don't see any big surprises. Introverts tend to have clerical or low-skill jobs, while extraverts have jobs requiring people skills (sales), leadership skills (managers), or creativity (designers, artists, actors).
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