Quota sampling - Wikipedia, the free encyclopedia
In quota sampling , the population is first segmented into mutually exclusive sub-groups, just as in stratified sampling. Then judgment is used to select the subjects or units from each segment base...
en.wikipedia.org/wiki/Quota_sampling
Sampling (statistics) - Wikipedia, the free encyclopedia
Sampling is that part of statistical practice concerned with the selection of individual observations intended to yield some knowledge about a population of concern, especially for the purposes of st...
en.wikipedia.org/wiki/Sampling_(statistics)
I've seen quota sampling used in a shopping mall. A researcher carrying a clipboard will come up and ask every passerby to participate in a survey. After a while, they let certain people walk by but still try to stop people in the demographic groups that have not yet filled their quota.
www.childrens-mercy.org/stats/definitions/quota.htm www.childrens-mercy.org/stats/definitions/quota.htm
In quota sampling the selection of the sample is made by the interviewer, who has been given quotas to fill from specified sub-groups of the population. For example, an interviewer may be told to sample 50 females between the age of 45 and 60.
www.mis.coventry.ac.uk/~nhunt/meths/quota.html www.mis.coventry.ac.uk/~nhunt/meths/quota.html
Quota sampling is a method of sampling widely used in opinion polling and market research. ... Interviewers are each given a quota of subjects of specified type to attempt to recruit for example, an interviewer might be told to go out and select 20 adult men and 20 adult women, 10 teenage girls and 10 teenage boys so that...
www.stats.gla.ac.uk/steps/glossary/sampling.html www.stats.gla.ac.uk/steps/glossary/sampling.html
In quota sampling, the population is first segmented into mutually exclusive sub-groups, just as in stratified sampling . Then judgement is used to select the subjects or units from each segment based on a specified proportion. ... Obvious advantages of quota sampling are the speed with which information can be collected,
www.htm.uoguelph.ca/pagefiles/MJResearch/ResearchProces... www.htm.uoguelph.ca/pagefiles/MJResearch/ResearchProcess/QuotaSampling.htm
The early part of the chapter outlines the probabilistic sampling methods. These include simple random sampling, systematic sampling, stratified sampling and cluster sampling. Thereafter, the principal non-probability method, quota sampling, is explained and its strengths and weaknesses outlined.
www.fao.org/docrep/W3241E/w3241e08.htm
Quota sampling is often used in market research because it does not require a list of potential respondents (a 'sampling frame'). It is not based on random selection. Instead, respondents who fit into predetermined categories ('quota controls') are found by interviewers until their quotas are filled.
www.soc.surrey.ac.uk/samp/quota.php www.soc.surrey.ac.uk/samp/quota.php
Quota sampling is often used in market research. Interviewers are required to find cases with particular characteristics. They are given quota of particular types of people to interview and the quota are organised so that final sample should be representative of population.
www.tardis.ed.ac.uk/~kate/qmcweb/s8.htm
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