What is sampling?
A smaller part of the whole research population that the socialist selects for study.
What is random sampling?
Where every member of the sampling frame has an equal chance of being selected, e.g. hat draw.
What is quasi-random sampling?
Selecting people in a sequence, e.g. selection every 10th person in the list.
What is stratified sampling?
When the population is broken down by different demographics and is created in the same proportions. e.g. if 20% of the population are under 16, 20% of the sample have to be under 16.
What is quota sampling?
Using a stratified sample then getting a quota to fill the spaces in the sample.