SOC 3900 Introduction to Social Research
Final Exam Questions With Correct Answers
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What does valid mean in sociological research? What does reliability mean in sociological
research? - Answer✔Validity: accuracy
Reliability: consistency
What is a population? What is the difference between a population and a sample? -
Answer✔Population: those to whom we want to generalize the findings
Sample: People who are selected for the study from the population
What is a target population? - Answer✔A group of individuals who meet a particular set of
sampling criteria.
What is a sampling frame? - Answer✔A list of the items or people forming a population from
which a sample is taken.
What are the major types of random sampling methods? What research techniques require a
random sample? - Answer✔Types: Simple random sampling, Systematic sampling, Stratified
sampling, and Cluster sampling?
What is a representative sample? - Answer✔A sample that has all the features of the
population.
When would a stratified sample be necessary? - Answer✔When a population's characteristics
are diverse?
What are the major types of non-random sampling methods? What research techniques use
non-random sampling techniques? - Answer✔Types: Convenience, Purposive, Quota, Snowball
When would a quota sample be necessary? - Answer✔used when you want to account for
some demographic difference or to compare groups
What considerations must be made when attempting to identify a field of study? - Answer✔
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