King Kong versus Godzilla
Critical appraisal of ecological studies. Ecological studies are those in which the study population are grouped subjects, so the level of inference is also aggregated.
Evidence Based Medicine pills
Evidence Based Medicine pills
Critical appraisal of ecological studies. Ecological studies are those in which the study population are grouped subjects, so the level of inference is also aggregated.
Systematic error. Systematic error, also called bias, usually leads to an inaccurate estimate of the variable we are studying.