#1
Which of the following is NOT a probability sampling method?
Convenience sampling
ExplanationNot randomly selected, lacks statistical rigor
#2
Which of the following is NOT a type of nonprobability sampling?
Stratified sampling
ExplanationInvolves deliberate selection rather than randomness
#3
Which sampling method involves selecting individuals based on their accessibility and proximity?
Convenience sampling
ExplanationEase of access rather than randomness
#4
Which of the following is NOT a type of probability sampling?
Convenience sampling
ExplanationNot based on random selection, lacks statistical rigor
#5
Which of the following is NOT a nonprobability sampling method?
Stratified sampling
ExplanationBased on deliberate selection rather than randomness
#6
In stratified sampling, how are individuals selected?
From different strata or subgroups within the population
ExplanationSample is divided into subgroups for representation
#7
Which of the following is a potential bias in survey sampling?
Nonresponse bias
ExplanationOccurs when some respondents do not participate
#8
What is quota sampling primarily based on?
Proportions within specific categories
ExplanationSample is selected based on predefined quotas
#9
What is the main advantage of cluster sampling?
It allows for natural grouping of the population
ExplanationGroups are sampled instead of individuals
#10
Which type of bias occurs when certain individuals are systematically excluded from the sample?
Nonresponse bias
ExplanationUnderrepresentation due to non-participation
#11
Which sampling method involves selecting every kth individual from the population?
Systematic sampling
ExplanationRegularly spaced sampling units
#12
What is the primary concern with using voluntary response sampling?
It may result in biased responses
ExplanationParticipants self-select, introducing bias
#13
Which type of sampling method is often used in epidemiological studies to track disease prevalence?
Cluster sampling
ExplanationGeographically or demographically clustered units
#14
What is the primary concern with using purposive sampling?
It may result in biased responses
ExplanationSubjective selection may introduce bias
#15
What is the primary advantage of snowball sampling?
It is useful for locating hidden populations
ExplanationEffective for hard-to-reach or marginalized groups