They're generally pretty silly, and often presume something about the test-taker (religious beliefs chief among them). Nevertheless, when the alternative is studying Fundamentals of Applied Electromagnetics, they can be a welcome diversion. Here are the results from one I just took (link to the test below results):

Advanced Global Personality Test Results

Extraversion |||||||||||||||| 63%
Stability |||||||||||||||| 66%
Orderliness |||||||||||| 46%
Accommodation |||||||||||||||| 63%
Interdependence |||||||||||||||||| 76%
Intellectual |||||||||||||||| 63%
Mystical |||||| 23%
Artistic |||| 16%
Religious || 10%
Hedonism |||| 16%
Materialism |||||||||||| 43%
Narcissism |||||||||||| 43%
Adventurousness |||||||||| 36%
Work ethic |||||||||||| 43%
Self absorbed |||||||||| 36%
Conflict seeking |||||| 30%
Need to dominate |||||| 30%
Romantic |||||||||||||| 56%
Avoidant |||| 16%
Anti-authority |||||||||||| 43%
Wealth |||||||||| 36%
Dependency |||||||||| 36%
Change averse |||||| 30%
Cautiousness |||||||||||||| 56%
Individuality |||||| 30%
Sexuality |||||||||||||||||||| 90%
Peter pan complex |||||||||||| 43%
Physical security |||||||||||||||||||| 90%
Physical Fitness |||||||||||||| 57%
Histrionic |||||| 30%
Paranoia |||||| 23%
Vanity || 10%
Hypersensitivity |||||||||| 36%
Female cliche |||| 16%

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