A sample taken from a stratified population by sampling until a pre-assigned quota in each stratum is represented.
〔统计〕按比例的抽样样品，定额样本，分组样本
Example sentencesExamples
The poll was conducted amongst a national quota sample of 1,000 voters at 100 sample points in all constituencies in the state last Monday and Tuesday.
Each participating practice drew a quota sample of patients aged 18 and over from their practice list, excluding patients deemed inappropriate - for example, those likely to be distressed by being approached to take part in the study.
More than that, they realised that their quota samples did not accurately represent the people who voted.
A randomized quota sample of drivers from the general population was used for the control group.
A stratification system based on population and census data created a modified probability sample in all centers with 1000 or more people and a quota sample in rural areas.
Derivatives
quota sampling
noun
Statistics
Although originally based on a block quota sampling method, since 1977 full probability sampling has been employed.
Example sentencesExamples
In particular, although the quota sampling and weighting ensured that our sample was demographically representative of London, the low response rate means that some bias may have affected our data.
We collected data on 20 healthy subjects between the ages of 20 and 69 who were recruited via a quota sampling procedure.
What kind of sampling strategy will you employ (e.g. probability sampling, quota sampling, theoretical sampling, convenience sampling)?
Participants were recruited using quota sampling, which attempts to construct a representative sample without random selection.