Sampling Methods Flashcards
Define a participant
A person who takes part in something
Define sample
Process of selecting participants from the population
What is the general population?
The entire population of individuals with a characteristic of interest
Explain what generalisation is
Application of the results from a study to the wider target population
What is external population validity?
Measure of wether data can be generalised to other situations outside of the research environment
What is a bias sample?
Where certain groups are over/under represented in a sample
What is a representative sample?
A group that closely matches characteristics of a population as a whole
Explain random sampling
Technique where every member of the target population has an equal chance of being selected
Explain stratified sampling
Technique where researchers divide subjects into sub groups called strata based on shared characteristics
Explain opportunity sampling
Technique where the sample is made up of anyone who is willing to take part at the time of the study
