Sampling Methods| Representative

Question 1

What is random sampling?

Answer 1

Selecting people based by chance e.g any race, class or gender.

Question 2

Advantage of random sampling?

Answer 2

Lesser chance of bias; everyone has equal chance of selection.

Question 3

Disadvantage of sampling?

practical..

Answer 3

Expensive; larger group required.
May not be representative of the target population.

Question 4

What is systematic sampling?

Answer 4

Every nth person in sampling frame is selected.

Question 5

Advantage of systematic sampling?

Answer 5

Beneficial to a wide study area; simple.

Question 6

Disadvantage of systematic sampling?

Answer 6

Data= over/underrepresentation of particular patterns.

Question 7

Stratified sampling?

Answer 7

Researcher breaks down population by class, gender, age.
Sample created in those same proportions.

Question 8

Advantages of stratified sampling?

Answer 8

Fair representation of the population; cheap.

Question 9

Disadvantages of stratified sampling?

practical..

Answer 9

Time consuming; not always easy to apply data.

Question 10

Quota sampling?

Answer 10

Researcher given quote they have to complete; given participants– have to be filled out before starting another.

Question 11

Advantages of quota sampling?

Answer 11

Cheaper; less participants, more representative.

Question 12

Disadvantages of quota sampling?

Answer 12

Harder to eliminate bias in the selection process.