Disadvantages to behavioral data include: 
- unethical to obtain (natural)
- difficult and expensive (lab)
- uncertain interpretation 

University of Michigan - Ann Arbor

Behavioral observations come from direct observation of a subject's actions. This data can be natural, where the subject is unaware that their behavior is being observed. Most instances, however, are laboratory behavioral observations.
Examples:
- personal investigators (natural)
- experiments (lab)

Behavioral Observation 

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

The Personality Puzzle

Advantages to behavioral observation data include:
- realistic (natural)
- range of contexts (lab)
- appearance of objectivity (lab)

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