Sampling

Question 1

What is opportunity sampling?

Answer 1

Members of the target population who happen to be available e.g friends

Question 2

What is volunteer sampling

Answer 2

People who sign up to the study, they may have seen it advertised

Question 3

What is random sampling?

Answer 3

Members of the target population who have been selected with no bias

Question 4

What is a stratified sample?

Answer 4

Members of the target population selected in an unbiased way but who are guaranteed to be representative

Question 5

Strengths/ weaknesses of opportunity sampling?

Answer 5

😁quick and convenient
😡experimenter bias
😡may not be representative

Question 6

Strengths/weaknesses of volunteer sampling?

Answer 6

😁no experimenter bias
😡slow and inconvenient
😡may be unrepresentative

Question 7

Strengths/Weaknesses of random sampling?

Answer 7

😁no bias at all
😡slow and inconvenient
😡may be unrepresentative

Question 8

Strengths/weaknesses of stratified sampling?

Answer 8

😁no bias at all
😁representative of different sub groups in target population
😡very slow