MEANING
A design check that applies an analysis to a false treatment, period, or outcome where no real effect is expected.
Use it for
Use when testing the credibility of an empirical research design.Describe a diagnostic that probes whether an estimated effect appears where it should not.
Words that belong together
- run a placebo test
- placebo outcome
- placebo treatment date
On the page
The placebo test assigned the policy to an earlier date and found no effect.
Nearby words
Word forms
- Base
- placebo test
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Usage notes
A nonzero placebo result can challenge a design, but a null result does not by itself prove the identifying assumptions.
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