释义 |
cross-level bias cross-level biasa 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. |