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, 5 (3), e67

Observational Research, Randomised Trials, and Two Views of Medical Science


Observational Research, Randomised Trials, and Two Views of Medical Science

Jan P Vandenbroucke. PLoS Med.


Two views exist of medical science, says the author, one emphasizing discovery and explanation, the other emphasizing evaluation of interventions.

Conflict of interest statement

Competing Interests: The author has declared that no competing interests exist.


Figure 1
Figure 1. Axis of Haphazardness of Exposure
Figure 2
Figure 2. Axis of Multiplicity

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