cross-level bias

cross-level bias

a bias due to aggregation at the population level of causes or effects that are unlike at the individual level; can occur in ecologic studies.

cross-lev·el bi·as

(kraws'lev'ĕl bī'ăs)
A bias due to aggregation at the population level of causes and effects that are unlike at the individual level; can occur in ecologic studies.
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