1.3 non random sampling

Question 1

what is quota sampling?

Answer 1

an interviewer or researcher selects a sample that reflects the characteristics the whole population

Question 2

opportunity sampling

Answer 2

taking a sample from people who are available at the time of the study and who fit the criteria

Question 3

quota advantages

Answer 3

• small sample still representative of the population
• quick easy cheap
• easy comparison between groups within the population

Question 4

quota disadvantages

Answer 4

• population must be divided which can be costly and inaccurate
• non-random can introduce bias

Question 5

opportunity advantages

Answer 5

• easy and cheap

Question 6

opportunity disadvantages

Answer 6

• not a representative sample