Why is it often impractical to study all the members of a research group we are interested in?

What is a sample?

What is the sampling frame?

If a sample has the same characteristics, in the same proportions as the wider research population it is said to be what?

Why is representativeness important to positivists?

_____ samples are less likely to be representative of larger populations

Why may interpretivists feel it less important to use a representative sample?

What are the 4 types of sampling?

Which sampling method involved selecting every 'n'th person?

What does this reduce?

Which sampling method involves every member of the sampling frame having an equal chance of being selected?

However what are all random samples not large enough to do?

Which sampling method involves the researcher first breaking down the research population by age, class, gender etc?

What happens next in stratified sampling?

What is quotas sampling?