Question 1

What is sampling?

Accepted Answer

Selecting a small group of cases from a larger group

Answer

Selecting a large group of cases from a smaller group

Answer

Collecting data from the entire population

Answer

Analyzing data collected from interviews

Answer

Summarizing data obtained from a survey

Question 2

When is sampling a valid alternative to a census?

Accepted Answer

Surveying the entire population is impracticable

Answer

All of the above

Answer

Results from data collection are needed quickly

Answer

Time constraints restrict data collection

Answer

Budget constraints restrict data collection

Question 3

What does the term 'population' mean in research?

Accepted Answer

Total quantity of things (or cases) of the type being studied

Answer

Total number of events recorded

Answer

Collective term for a group of organizations

Answer

Sum of all the data collected

Answer

Number of people in a specific area

Question 4

What is a sampling frame?

Accepted Answer

Subset of the population that is of interest to the study

Answer

Subset of the sample used for data analysis

Answer

List of all the survey questions

Answer

Collective term for all the sampling methods

Answer

Total number of cases in the population

Question 5

Which characteristic describes a homogeneous population?

Accepted Answer

All cases are similar

Answer

Population is grouped by location

Answer

Population contains distinctive groups

Answer

Population is grouped by type

Answer

Population contains strata or layers

Question 6

Which sampling method gives the most reliable representation of the whole population?

Accepted Answer

Probability sampling

Answer

Non-probability sampling

Answer

Cluster sampling

Answer

Stratified random sampling

Answer

Simple random sampling

Question 7

What is the main difference between probability and non-probability sampling?

Accepted Answer

Probability sampling relies on random selection, while non-probability sampling does not

Answer

Non-probability sampling provides a representative sample

Answer

Probability sampling only focuses on certain groups

Answer

Non-probability sampling is more cost-effective

Answer

Probability sampling requires a larger sample size

Question 8

What is systematic sampling?

Accepted Answer

Selecting every nth element from the population

Answer

Selecting the first element randomly, and then selecting every nth element

Answer

Randomly selecting elements from clusters

Answer

Dividing the population into strata and selecting from each stratum

Answer

Randomly selecting elements from the entire population

Question 9

Which sampling method involves dividing the population into strata and selecting from each stratum?

Accepted Answer

Stratified random sampling

Answer

Simple random sampling

Answer

Cluster sampling

Answer

Systematic sampling

Answer

Non-probability sampling

Question 10

What is cluster sampling?

Accepted Answer

Randomly selecting clusters from the population and including all elements within the selected clusters

Answer

Stratified random sampling with equal proportions

Answer

Dividing the population into strata and selecting from each stratum

Answer

Selecting every nth element from the population

Answer

Randomly selecting elements from the entire population

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