The weaker the relationship between exposure and disease, the larger the group of people that must be studied for the relationship to be evident.

Name: The weaker the relationship between exposure and disease, the larger the group of people that must be studied for the relationship to be evident.
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Question

Quizplus · Accepted Answer

A weaker relationship between exposure and disease requires a larger sample size to detect the association statistically, as smaller effects are harder to distinguish from random variation in smaller groups.

The Weaker the Relationship Between Exposure and Disease, the Larger