16 Questions
What is sampling?
The process of drawing a number of individual cases from a larger population
Why do researchers use sampling?
To learn something about a large group without having to study every member of that group
What is a sampling frame or study population?
The group of elements from which a sample is actually selected
What is the population in a research study?
The group of elements from which a researcher samples and to which she or he might like to generalize
Which term refers to a population of theoretical interest?
Target Population
In the context of the text, what is an element in the study?
Nationality of Photograph-winning participants
What is the sampling frame of the study on TV viewers in the local viewing region?
Every 40th household on the subscriber list
In the study of TV viewers in the local viewing region, what is the population?
All residential customers who subscribed to cable TV
What makes simple random sampling a probability sample?
It gives every member of the study population an equal chance of selection
What distinguishes systematic sampling as a probability sampling procedure?
It selects every kth element from a list of population elements
What characterizes stratified sampling as a probability sampling procedure?
It involves dividing the population into groups and then sampling from each group
What is the main characteristic of cluster sampling as a probability sampling procedure?
It involves randomly selecting clusters of elements from a population
Why have researchers only recently started using cell phone numbers in polling?
Cell phones were not considered reliable for polling until recently
What problem may result from only using landline numbers in polling?
Underrepresentation of younger demographics
What is NonProbability Sampling?
A sample that has been drawn in a way that doesn’t give every member of the population a known chance of being selected
What distinguishes NonProbability Sampling?
A sample that has been drawn in a way that doesn’t give every member of the population a known chance of being selected
Learn about the process of drawing individual cases from a larger population and how it helps in understanding a larger group without studying every member. Examples and reasons for sampling are also discussed.
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