Sampling

Question 1

What is random sampling?

Answer 1

This is when every member of the target population has the same change of appeasing in the sample

Question 2

What is opportunity sampling?

Answer 2

The researcher used whoever is available from the target population at the time

Question 3

What is volunteer sampling?

Answer 3

Participant chose themselves & they approach the researcher

Question 4

Advantages of random sampling?

Answer 4

• should represent target population and eliminate sampling bias
• fairies form of sampling as each member has an equal opportunity of being selected

Question 5

What are the disadvantaged of random sampling?

Answer 5

Time consuming,expensive and can result in an unrepresentative sample

Question 6

Strengths of opportunity sampling?

Answer 6

Quick and easy way of collecting participants

Question 7

Weaknesses of opportunity sampling?

Answer 7

Unrepresentative -there’s a reason they are all their eat the same time
-biased

Question 8

What’s an advantage of volunteer sampling?

Answer 8

Participants are motivated so less likely to display the ‘screw you effect’

Question 9

Weaknesses of volunteer sampling?

Answer 9

Unrepresentative as only the motivated people who see the advert will have time to take part

Question 10

What is stratified sampling?

Answer 10

When the researcher identifies the different types of people that make up the target population and works out the proportions needed for the sample to be representative