Sampling techniques

Question 1

random sampling

Answer 1

each participant has equal chance of being selected

Question 2

opportunity sampling

Answer 2

asking people who are readily available

Question 3

volunteer sampling

Answer 3

researcher advertises study and people who see the advert may get in contact

Question 4

systematic sampling

Answer 4

selecting every nth name from a list

Question 5

stratified sampling

Answer 5

selecting people from every position of your population - in the same proportion