Disadvantages to life outcome data include:
- multidetermination  (many causes)
- possible lack of psychological relevance (may not be due to certain traits)

University of Michigan - Ann Arbor

Life outcome data comes from events in a subjects life that may have happened due to their personality. 

Examples:
- police records
- medical files
- personal questions

Life Outcomes

Funder, D. C. (2019). The personality puzzle. New York, NY: W. W. Norton &amp; Company.

The Personality Puzzle

Advantages to life outcome data include:
- objective and verifiable 
- intrinsic importance
- psychological relevance (due to certain traits)

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