Sampling Flashcards
What are the types of representative sampling?
Simple random
Stratified random
Systematic random
Quota
What are the types of non-representative sampling?
Snowball
Volunteer
Opportunity
What’s a sampling frame?
A list of people forming a population from which a sample is taken.
What’s a target population?
Everybody the sociologist would like to generalise their findings to.
What’s a gatekeeper?
Someone who’s withholding information from the researcher.
What’s a simple random sample?
Where everyone has the same chance of being selected.
What’s a stratified random sample?
Involves the division of the population into strata which are randomly filled.
What’s a systematic random sample?
Starting at a random value in the sample frame and selecting every nth person.
What’s a quota sample?
Selecting a predetermined number of units with specific characteristics.
What’s a snowball sample?
Where existing study subjects recruit future subjects among their acquaintances.
What’s a volunteer sample?
Where participants self-select themselves to join the research.
What’s an opportunity sample?
Selecting participants who are available at the time.
What are the advantages of a simple random sample?
Representative
Simple
Lack of bias
What are the disadvantages of a simple random sample?
Can be difficult getting access to a list of names
Time consuming
Unintended patterns may appear
What are the advantages of a stratified random sample?
Representative
Generalisable
