Sampling
The process of selecting observation
What is sampling?
Any single unit sample from the population.
What is sampling unit?
A sample that resembles the population it's drawn from, as closely as possible.
What is sample qualit?
Data collected from individuals and focus of analysis on individuals
What individual units of Analysis?
The entire set of elements, individuals or other entities.
What is population?
Units that contain one or more elements listed in a sampling frame.
What is enumeration unit?
When conclusion is based on a sample (subset) or a larger population an it hold true for the whole population.
What is sample generalizability?
Data may be collected from individuals but combined (aggregated) to describe a group (neighborhood, school, etc).
What is group units of analysis?
It is a subset of elements from the population.
What is sample?
The list of members of study population from which sample is selected(list of sampling units).
What is sampling frame?
The difference between the characteristics of a sample and the population from which it was drawn.
What is sampling error?
A professor assumes that every student's IQ is high since the average of the class is high.
What is an example of ecological fallacy?
Use sample of elements of the population to learn about the entire population.
What is the goal of sampling?
The entire group you want to generalize your research to.
What is target population?
When findings about a group, population, or setting holds true for other group, population, or setting.
What is cross population generalizability (external validity)?
Drawing conclusions about individual level processes from group level data.
What is ecological fallacy?
It is not always possible and necessary to collect information from all people or units.
What is the reason why we do sampling?
Member of target population from which sample is actually selected.
What is population.
One that looks similar (in general)from the population from which it is selected.
What is representative sample?
Using data about individuals to make inferences about group-level processes.
What is reductionism?