Sampling

Question 1

Population?

Answer 1

Large poop of individuals, objects, observations

Question 2

Sample?

Answer 2

A collection drawn from the population

Question 3

Element?

Answer 3

The unit about which we collect the info (ex population)

Question 4

Sampling frame?

Answer 4

Actual list of sampling units (ex list of voters)

Question 5

What are the 2 types of sampling?

Answer 5

Non-probability (associated with qualitative research) and probability sampling (quantitative research)

Question 6

What are the 4 methods non-probability sampling?

Answer 6

• Accidental (relying on available subjects, good for exploratory purposes)
• Quota sampling (Identify categories, decide how many in each, create table describing characteristics of the population)
• Purposive = judgemental sampling (used to select samples from hard to reach populations = “deviant case sampling”)
• Snowball sampling (sample population through networking - hard to reach populations)

Question 7

What are the 4 methods of probability sampling?

Answer 7

• Simple random sampling ( choose N number of people)
• Systematic random sampling (select every Nth person)
• Stratified sampling (divide population into groups and take a random sample from each)
• Cluster sampling (group population into sub groups, choose random sample, select every sampling unit within the chosen clusters –> multistage cluster sampling)