Sampling Method Evaluations

Question 1

What is a strength and limitation of random sampling?

Answer 1

Strength: Produces a representative sample with reduced researcher bias.

Limitation: Time-consuming and often impractical to access the whole population. Also costly.

Question 2

What is a strength and limitation of systematic sampling?

Answer 2

Strength: Simple and avoids researcher bias once the system is set.

Limitation: Can be biased if the sampling frame has a pattern of people its chosen.

Question 3

What is a strength and limitation of stratified sampling?

Answer 3

Strength: Highly representative of the target population.

Limitation: Requires detailed knowledge of population characteristics and is time-consuming.

Question 4

What is a strength and limitation of opportunity sampling?

Answer 4

Strength: Quick and easy to carry out, less time consuming.

Limitation: Likely to be biased and unrepresentative.

Question 5

What is a strength and limitation of volunteer sampling?

Answer 5

Strength: Ethical and participants are often highly motivated.

Limitation: Prone to volunteer bias, reducing generalisability.