FAST Sampling Methods and Design 2

Question 1

A researcher wants to study voting intentions across 10 states and randomly selects entire counties rather than individual voters. This is an example of which sampling method?

Accepted Answer

Cluster sampling

Answer

Cluster sampling selects naturally occurring groups (like counties) as the sampling unit rather than individual elements.

Question 2

In a study, every 8th person on a list is selected after a random start between 1 and 8. What is this method called?

Accepted Answer

Systematic sampling

Answer

Systematic sampling selects every kth element from a list after a random starting point.

Question 3

Which of the following best describes non-response bias?

Accepted Answer

When those who respond differ systematically from those who do not

Answer

Non-response bias occurs when people who decline to participate differ in meaningful ways from those who do respond.

Question 4

A population has four age groups: 18-25, 26-40, 41-55, and 56+. A researcher samples 50 people from each group. What type of sampling is this?

Accepted Answer

Disproportional stratified sampling

Answer

Disproportional stratified sampling takes equal numbers from strata regardless of their actual size in the population.

Question 5

What does 'sampling frame' refer to in research design?

Accepted Answer

The list or source from which sample members are drawn

Answer

A sampling frame is the actual list or source used to identify and select sample members from the target population.

(FAST) Future Aptitude Selection Tool Practice Test

(FAST) Future Aptitude Selection Tool Practice Test

FAST Sampling Methods and Design 2