to stratify
- verb
- /ˈstrætɪfaɪ/
- Specialized
- Table 3: Academic staff profiles of institutions stratified by race.
- stratified sample
- stratified design
- stratified analysis
Examples
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During the winter, many bodies of water stratify into layers due to temperature differences.
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The study was a single-blind, randomised multicentre study, stratified according to participating centres.
Academic text (1996) -
To further investigate this issue, we performed a stratified analysis only for the TBI group.
Academic text (1996) -
Incidents were stratified by parasite species.
Academic text (2012) -
Current students were surveyed every other year, with samples stratified for class status and ethnicity.
Academic text (1994) -
In this provincial science assessment, stratified random sampling was used to ensure geographical representation and representation of various school structures and organizations.
Academic text (1999) -
A national sampling service generated a geographically stratified, random sample of 1,442 subjects from the United States.
Blog text (1) -
The study population was randomized in equal proportions by a permuted block design stratified by investigational site.
Academic text (1996) -
Geologists often stratify the sediment layers to understand the Earth's geological history.
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In agriculture, farmers stratify seeds to improve their chances of germination by mimicking natural conditions.
Synonyms
To put materials in levels one on top of another
How Layered
- Specialized
- Specialized
- Specialized
Surface Forms
Morphology
Etymology
Stratify comes from the Latin word stratum meaning 'layer', and you can see the same root in strata (rock layers). So to stratify something is to arrange or form it into layers.