Sampling Techniques

Question 1

Sampling

Answer 1

The process of selecting subjects for study. A two-step process: identify the ‘target population’ and select the technique

Question 2

Sampling technique

Answer 2

Random, opportunity/convenience, stratified/quota, cluster, purposive and snowball

Question 3

Random sampling

Answer 3

everyone in the population has an equal chance of being selected

Question 4

Opportunity/convenience sampling

Answer 4

identifies different types of people within the target population available at the time and willing

Question 5

Stratified/quota sampling

Answer 5

identifies types of people within the target population and works out the proportions needed

Question 6

Cluster sampling

Answer 6

collecting subjects from the same place instead of the whole of the population

Question 7

Purposive sampling

Answer 7

collecting subjects who will benefit from the findings of the experiment

Question 8

Snowball sampling

Answer 8

when the research subjects recruit more subjects for an experiment