Sampling Flashcards
What is a target population
Members of a group that you want to study e.g. school girls
What is a sampling frame
The list of people from which a sample is drawn
What is a sampling method
A method by which you select your participants
What is a sample
Actual ppts you will use in for research
What is operationalising concepts
Converting a sociological concept into something that can be measured e.g. social class —> household income
What is random sampling
When each participant has an equal chance of being selected. All names of target population where put into a random name generator and first ___ names who are generated and are willing to take part are used.
What is an example of random sampling
Rosenthenal and Jacobsen
What is an advantage of random sampling
It creates a representative sample as everyone has an equal chance of being selected
What is a disadvantage of random sampling
Could lead to a skewed sample as proportions aren’t equal to target population
What is stratified random sampling
Splitting the population by characteristics and then selecting each proportion randomly
What id an advantage of stratified sampling
More representative of the target population
What is a disadvantage of stratified random sampling
You need to know the characteristics of ppts and you might not have access to to this info.
What is volunteer sampling
When ppts come forward to take part in response to an ad
What is an example of volunteer sampling
Milgrams obedience study
What is an advantage of volunteer sampling
You can quickly gather a group of dedicated ppts who are willing to take part in