From the course: Academic Research Foundations: Quantitative
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Population sampling - SPSS Statistics Tutorial
From the course: Academic Research Foundations: Quantitative
Population sampling
- The validity of your research has a great deal to do with how you approach sampling. Sampling is the process of selecting individuals from a population to participate in your research. Proper sampling methods help ingrain your methodology into your study and allow you to generalize your findings to the population. When we talk about population in research, we're looking at information on a specific group of human subjects that your research question explores. For a research question on the effect of childhood poverty on higher education graduation rates, our population would be people who've attended college. But this is a very general population. In order to get a representative sample of the population, we need to consider our research topic and question and then use the parameters to more finely tune our sample. This is called a sampling frame. So, let's use the poverty and education question as an example. If our study seeks to investigate the relationship between childhood…
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