#1
Which of the following sampling methods allows every member of the population to have an equal chance of being selected?
Simple Random Sampling
ExplanationEqual chance for all population members
#2
In survey design, what is a population?
The group of individuals under study
ExplanationIndividuals under study
#3
What is the term used to describe the degree to which a sample reflects the characteristics of the population?
Sample representativeness
ExplanationDegree of population reflection
#4
What is the term used to describe the error that occurs when the sample does not represent the population accurately?
Sampling bias
ExplanationError due to inaccurate representation
#5
Which of the following is an example of non-probability sampling?
Convenience sampling
ExplanationNon-probability sampling example
#6
What is the primary purpose of using a sample in research?
To make inferences about the population
ExplanationMake population inferences
#7
What does 'sampling frame' refer to in sampling methods?
The list of all the individuals or items in the population
ExplanationList of population members
#8
What is the primary advantage of cluster sampling over simple random sampling?
It preserves natural groupings in the population
ExplanationPreserves natural groups
#9
What is the purpose of stratified sampling?
To divide the population into homogeneous subgroups before sampling
ExplanationDivide population into subgroups
#10
What is the difference between quota sampling and stratified sampling?
Stratified sampling allows for equal representation from each subgroup, while quota sampling does not
ExplanationEqual representation from subgroups
#11
In survey design, what is the purpose of a pilot study?
To test the survey questions and procedures
ExplanationTest survey questions and procedures
#12
What is the primary advantage of using cluster sampling?
It allows for more precise estimates than simple random sampling
ExplanationMore precise estimates
#13
What is a potential drawback of using convenience sampling in a survey?
It may introduce bias into the sample
ExplanationPotential bias introduction
#14
What is a disadvantage of using systematic sampling?
It may lead to biased samples if there is periodicity in the population
ExplanationPotential bias due to periodicity
#15
What is a disadvantage of using snowball sampling?
It relies heavily on the initial contacts
ExplanationDependency on initial contacts
#16
What is an example of purposive sampling?
Snowball sampling
ExplanationPurposive sampling example