Examlex
In a regression-discontinuity design the most likely validity threat is the:
Regimen
A prescribed course of medical treatment, diet, or exercise for the promotion or restoration of health.
Body
Single-spaced lines of text that are the content of a business letter.
Drugs
Substances used to diagnose, treat, or prevent illnesses and affect the structure or function of the body.
Official Name
The formal and legally recognized name of an entity or individual.
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