What is a Quota Sample?
A quota sample is a type of non-probability sampling method in which the researcher divides the population into specific subgroups and selects a certain number of participants from each subgroup. This method is used when the researcher wants to ensure that the data obtained reflects the population’s characteristics in terms of factors such as age, gender, or income.
Advantages of Quota Sampling
Quota sampling has several advantages:
- Cost-effective – Because the researcher does not have to collect data from a representative sample of the entire population, it is a cost-effective method.
- Efficient – This method is relatively fast and efficient as the researcher does not have to collect data from the entire population.
- Flexible – The researcher can easily adjust the quotas if needed.
- Representative – Quota sampling can be used to ensure that the sample is representative of the population.
Disadvantages of Quota Sampling
Quota sampling also has some drawbacks:
- Biased – This method can be biased if the researcher uses quotas that are not representative of the population.
- Inaccurate – Quota sampling can result in inaccurate results if the quotas are not set correctly.
- Limited – This method is limited in terms of the number of participants that can be included in the sample.
Quota sampling is a useful method for researchers who want to ensure that their sample is representative of the population. However, it is important to be aware of the potential drawbacks of this method.
Examples of Quota Sampling
- A researcher is conducting a survey on the attitudes of college students towards online learning. The researcher divides the population into subgroups based on gender, age, and year of study and selects a certain number of participants from each subgroup.
- A market research company is conducting a survey on the purchasing habits of consumers. The company divides the population into subgroups based on gender, age, and income and selects a certain number of participants from each subgroup.
In conclusion, quota sampling is a useful method for researchers who want to ensure that their sample is representative of the population. However, it is important to be aware of the potential drawbacks of this method.
References
- https://explorable.com/quota-sampling
- https://www.simplypsychology.org/quota-sampling.html
- https://www.statisticshowto.com/quota-sampling/