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Non-random sampling: quota sampling
At last, our series of posts on sampling, has reached the all-star of non-random sampling: quota sampling. This method is most often used in online research conducted through panels. We could look at ...
February 01, 2017 | Carlos Ochoa
Non-random sampling: availability sampling
This post marks the second part of our series on sampling methods. This second installment will describe non-random sampling methods. Remember: we talk about nonrandom sampling when we don’t have ...
January 30, 2017 | Carlos Ochoa
Random sampling: cluster sampling
With this post dedicated to cluster sampling, we conclude our first block of posts on random sampling. With our next post, we will launch into nonrandom sampling methods, which are used most commonly ...
January 25, 2017 | Carlos Ochoa
7 steps to follow for online data collection
Collecting data is key for all market research. This stage starts once we have defined the research objectives and ends when we have obtained the data to be analyzed. Have you ever wondered whether ...
January 24, 2017 | Carlos Ochoa
Random sampling: systematic sampling
Now that we have taken a look at stratified sampling, we’d like to continue our series of posts on sampling techniques by examining systematic sampling. Systematic sampling used to be very popular, ...
January 23, 2017 | Carlos Ochoa
Random sampling: stratified sampling
In an earlier post, we saw the definition, advantages and drawback of simple random sampling. Today, we’re going to take a look at stratified sampling. This method, which is a form of random ...
January 18, 2017 | Carlos Ochoa