Sequential sampling is a method of experimentation. In it,
the researcher will test an intervention, variable, or product using a group of people
taken randomly from a group, and testing the intervention, variable, or product on
them.
After the researcher obtains the information that he
or she needs, then another group of people will be randomly selected again to try the
same intervention, variable, or product.
This is done
within a time interval, however. For example, imagine picking a group of adults at the
mall, giving them a sample of something to try for the next 3 minutes, getting the
results, and then selecting another group of adults at the mall, giving them the same
sample, and under the same amount of time.
The benefit of
this methodology is that, the more people you test, the more chances you get to improve
your product, or intervention. For instance, if I create a dish, and I ask people to
come and try it at time intervals, I can get a myriad of opinions that will help me
improve my dish and make it more likeable or, under the scope of business, more
marketable for the public.
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