Construct · 1 fields · 1 citations

positivity assumption: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Epidemiology

the requirement that every covariate pattern in the population has a nonzero chance of each exposure level, without which causal contrasts are not identified.

In epidemiology, positivity assumption refers to the requirement that every covariate pattern in the population has a nonzero chance of each exposure level, without which causal contrasts are not identified. This meaning comes from Westreich (2010) in American Journal of Epidemiology.[1]

Unit
Recovery means
Measured by

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Nearby constructs

chance4 fields · 6 citationsjingle · one word, four constructs exposure6 fields · 13 citationsjingle · one name, six constructs level1 fields · 1 citationsanchor · a standalone construct

References

Westreich, D., & Cole, S. R. (2010). Invited Commentary: Positivity in Practice. American Journal of Epidemiology, 171(6), 674-677. https://doi.org/10.1093/aje/kwp436

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