Sampling Methods

Question 1

What is simple random sampling?

Answer 1

Every possible sample of a given size is equally likely to be selected

Question 2

What is stratified sampling?

Answer 2

Ensure that all stras are samples. The numbers sampled in the various strata are proportional to the size of their populations

Question 3

What is cluster sampling?

Answer 3

Sub groups of the population which are called clusters. Each cluster should be reasonably representative of the entire population.

Question 4

What is systematic sampling?

Answer 4

If you were surveying telephone subscribers, you might select a number at random, say 66 and then sample the 66th name on every page.

Question 5

What is Quota sampling?

Answer 5

Has to ask a certain amount of people who fit a certain criteria, for example 50 women and 50 men. The choice of who is sampled is then left up to the interviewer.

Question 6

What is opportunity sampling?

Answer 6

Used when circumstances make a sample readily available.

Question 7

What is a self-selecting sample?

Answer 7

A sampling is self-selected when those involved volunteer to take part, or are given the choice to participate or decline.

Question 8

What are the different types of sampling techniques?

Answer 8

1) Simple Random Sampling
2) Stratified Sampling
3) Cluster Sampling
4) Systematic Sampling
5) Quota Sampling
6) Opportunity Sampling
7) Self-Selecting Sample