Difference between correlation and causation (Infographic)

Correlation does not necessarily mean causation! When two things are linked, it doesn't always mean one causes the other because other factors could be involved. Observational studies help identify correlations (or associations) between, for example, diet and disease, in large populations. Other study designs, like randomised controlled trials, can help test whether a cause-and-effect relationship is likely. This infographic explains the difference between correlation and causation.

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