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Populations and Convenience Samples

Give me an example of when your population and your sample could be the same. Is this possible?

What is a convenience sample and why are they used so readily? What are the limitations of using a convenience sample? How can you reduce those limitations?

Have you read a research article that listed limitations of their study because of something to do with the sample? Give one example of this.
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Hello,

There is something called a niche market – this is when a group of people have a common interest. For example, all people who enjoy knitting would be considered a niche market. If your niche is small and specific enough – (everyone who has a phd in molecular physics for example), then you can have the entire population in your research, and there is no need to take a random sample of these individuals. Remember the reasons of why we take samples from the population; often the population is too big, and it would be too expensive, too time consuming and unfeasible to include everyone in your research. That is why we pull a random sample from the population to include in our research. …

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