Sampling

Question 1

What is probability versus non-probability sampling?

Answer 1

Probability sampling: sample selected using random selection
Non-probability sampling: not using random selection method

Question 2

What is population versus sample versus census sampling?

Answer 2

Population: The population you pull your sample from
Sample: list of people you are sampling
Census: survey involving everyone in population

Question 3

What is a sampling frame?

Answer 3

Actual list of people choosing to sample (represent population)

Question 4

What is a simple random sample? Is it a probability or non-probability sample?

Answer 4

(probability sample) Respondents are randomly selected from a larger group

Question 5

What is stratified random sampling? Is it a probability or non-probability sample?

Answer 5

(probability sample) Respondent are split into sub-groups and then randomly selected from each group

Question 6

What is a multistage cluster? Is it a probability or non-probability sample?

Answer 6

(probability sample) divide population into groups (cluster) of units and then randomly select units from each sub cluster

Question 7

What is convenience/opportunity sampling? Is it a probability or non-probability sample?

Answer 7

(non-probability) easily accessible individuals

Question 8

What is snowball sampling? Is it a probability or non-probability sample?

Answer 8

(non-probability) initial contact with small group and they lead you to others in your network

Question 9

What is purposive sampling? Is it a probability or non-probability sample?

Answer 9

(non-probability) Chosen because of certain characteristic

Question 10

What is quota sampling? Is it a probability or non-probability sample?

Answer 10

(non-probability) Select people to fit their quota for each category

Question 11

What is volunteer sampling? Is it a probability or non-probability sample?

Answer 11

(non-probability) Whoever volunteers to