Antonym: homogeneityAntonym: heterogeneity. In a systematic review, the similari.... In a systematic reviewRelated concept: multiple testing A technique consisting of ..., the variability of or differences in the selected studies. Note: A distinction is sometimes made between “statistical heterogeneityAntonym: homogeneity. In a systematic review, the variabilit...” (differences in the reported effects) and “methodological heterogeneityAntonym: homogeneity. In a systematic review, the variabilit...” (differences in study design with regard to the key characteristics of the subjects, interventions or outcomeSyn.: ordered categorical data and • provides information ... evaluation criteria). Statistical tests of heterogeneityAntonym: homogeneity. In a systematic review, the variabilit... are used to determine whether the observed variability in study results effect size(Related concept: nominal group technique) "An iterative gro... is greater than the variability that can be expected to occur by chance. However, these tests have low statistical powerAlternative spelling: standardized mean difference (SMD) The....
provide rehabilitation or organize healthcare delivery. Note 1: The intervention can be a test, device, medicine, vaccine, procedure, program or system.»