LESSON 28 - SAMPLING: DEFINITION OF TERMS USED IN SAMPLING, PURPOSE & LIMITATIONS OF SAMPLING

The use of sampling is a strategic decision by the researchers to focus on some, rather than all, of a population of interest. This is premised on the fact that it is possible to produce credible results without the need to collect data from each and every member of the population. This lesson will first explain 12 terms that are used in sampling. These terms are population, sample, sample size, sampling, sampling frame, subject, element, statistic, parameter, response rate, randomization & precision.
The second part of this lesson will discuss the 6 purposes of research. We shall be asking ourselves, is it prudent to use the whole or using the part is better? Finally, we shall explain the limitations of sampling.
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[@fidelismasaa6940]

So educative lectures

[@research-methods-class]

Thank you Fidelis. You can access all the lessons by clicking
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[@godwinmakokha6491]

well understood.

[@brightphiri7538]

This channel is so good

[@research-methods-class]

Thank you. Access all the lessons on www.researchmethodsclass.com/research-methods-course/

[@tommy-leeosbornowiti7328]

Thanks for the videos as usual very insightful. Pardon me for my inquisitive nature anyhow: How do you handle the real-life scenario where the sample frame exists but the records are unreliable eg. the Record of all prisoners may be problematic to attain. Secondly what if there is a concept such as an orphanhood, and I would like to research about orphans in high school, how would I determine a sample frame since the records may be challenging to access (plus the ethical issues involved)

[@research-methods-class]

You rely on the good will of the institution to give you the sample frame. That's why you need to establish a rapport with the institution or persons you are conducting research from or with. Secondly, in your assumptions of the study, you indicate the issue of sampling frame as one of the assumption you are making. Finally, you would use snowball which is a qualitative sampling design to sample the orphans. Across the whole research process, ethics must be maintained

[@tommy-leeosbornowiti7328]

@@research-methods-class Thanks, very inseightful

[@tommy-leeosbornowiti7328]

@@research-methods-class Thanks