Sampling Flashcards
what is sampling
sampling is the action of taking information for analysis.
what is sampling
sampling is the action of taking information for analysis.
Types of sampling
random sampling
systematic sampling
stratified sampling
cluster sampling
opportunity sampling
quota sampling
snowball sampling
random sampling
when everyone in the sample frame has a fair chance of being selected.
systematic sampling
when it follows a certain pattern by choice.
stratified sampling
when the sampling frame is divided for example by gender or age.
cluster sampling
when the population is spread out over a large area.
opportunity sampling
the people available at the time take part in the research.
quota sampling
when the researcher is sent out with instructions to find people with certain characteristics.
snowball sampling
when one respondent puts the researcher in contact with others.
random sampling (strengths)
It is fair in the sense that there is no researcher selection so everyone has a fair chance of being picked.
random sampling (limitations)
they are not always representative so by chance a researcher may h
random sampling (limitations)
they are not always representative so by chance a researcher may get a sample which is dominated by one sex, age ethnicity etc.
