| 释义 |
Definition of quota sample in English: quota samplenoun Statistics A sample taken from a stratified population by sampling until a pre-assigned quota in each stratum is represented. 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 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.
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