Final Flashcards
What type of sampling occurs in which referrals for potential participants are made by those already in the sample?
A) Convenience
B) Snowball
C) Quota
D) Consecutive
B) Snowball
Which type of sampling are strata incorporated into the design?
A) Convenience
B) Snowball
C) Quota
D) Consecutive
C) Quota
The nurse researcher is collecting information about the population sample. What is the basic population unit about which information is collected called?
A) Population
B) Element
C) Inclusion criteria
D) Exclusion criteria
B) Element
The nurse researcher knows it is important to make a distinction between target and accessible populations. What is the target population?
A) Aggregate of cases that conform to designated criteria and that are accessible for a study.
B) Aggregate of cases about which the researcher would like to generalize.
C) Characteristics of individuals that must not be included in the research sample.
D) Characteristics of individuals that meet the specific population characteristics.
B) Aggregate of cases about which the researcher would like to generalize.
The nurse researcher knows it is important to make a distinction between target and accessible populations. What is a population?
A) Aggregate of cases that conform to designated criteria and that are accessible for a study
B) Aggregate of cases about which the researcher would like to generalize
C) Entire aggregation of cases in which a researcher is interested
D) Characteristics of individuals that meet the specific population characteristics
C) Entire aggregation of cases in which a researcher is interested
The nurse researcher knows that samples and sampling plans vary in quality. What is a key consideration in assessing a sample in a quantitative study?
A) Representativeness
B) Probability
C) Nonprobability
D) Strata
A) Representativeness
The nurse researcher wants to use a probability sample in the research study. Which is an example of a probability sampling method?
A) Convenience
B) Cluster
C) Purposive
D) Quota
B) Cluster
The nurse researcher is using a sampling design that is especially likely to yield a representative sample. What type of sample is this called?
A) Systematic
B) Convenience
C) Purposive
D) Quota
A) Systematic
Which type of sample is considered to be the weakest for quantitative studies?
A) Convenience
B) Quota
C) Purposive
D) Systematic
A) Convenience
The nurse is hand picking the sample based on the researcher’s knowledge about the population. What type of sample is this called?
A) Purposive
B) Snowball
C) Network
D) Chain
A) purposive
The nurse researcher is trying to yield a representative sample. What type of nonprobability design should be utilized?
A) Quota
B) Snowball
C) Network
D) Chain
A) Quota
The nurse researcher has to consider the procedure of weighing in the sample. What type of sampling design would be considered?
A) Proportionate
B) Disproportionate
C) Simple random
D) Quota
B) Disproportionate
What type of sampling divides the population into homogeneous strata from which elements are selected at random?
A) Probability sampling
B) Simple random sampling
C) Stratified random sampling
D) Cluster sampling
C) Stratified random sampling
The nurse researcher is reviewing a research article that used a cluster sample. What is a cluster sample?
A) Selection of every kth case from a list
B) Standard distance between the selected elements in the sample
C) Multistaged selection of random samples from larger units
D) Divides the population into homogeneous strata to ensure representation of subgroups
C) Multistaged selection of random samples from larger units
What type of analysis do nurse researchers use to estimate sample size needs?
A) Power
B) Systematic
C) Interval
D) Multistage
A) Power
The nurse researcher is reviewing a research article that used systematic sampling. What is systematic sampling?
A) Selection of every kth case from a list
B) Standard distance between the selected elements in the sample
C) Multistaged selection of random samples from larger units
D) Divides the population into homogeneous strata to ensure representation of subgroups
A) Selection of every kth case from a list
Qualitative researchers use the conceptual demands of the study to select articulate and reflective informants with certain types of experience in an emergent way. What is a typical qualitative sample?
A)
Large, random
B)
Small, random
C)
Large, nonrandom
D)
Small, nonrandom
D) Small, Non random
Qualitative researchers often begin with a sample where potential participants come forward and identify themselves. What type of sample is being used?
A)
Convenience
B)
Snowball
C)
Purposive
D)
Purposeful
A) Convenience
Qualitative researchers, like quantitative researchers, sometimes ask early informants to refer to other study participants. What type of sample is being used?
A)
Convenience
B)
Snowball
C)
Purposive
D)
Purposeful
B) Snowball
Many qualitative studies eventually evolve to selecting cases that will most benefit the study. What type of sample is being used?
A)
Convenience
B)
Volunteer
C)
Snowball
D)
Purposive
D)
Purposive
The broad category of purposive sampling involves general goals. What is one of the broad general goals?
A)
Find examples that are representative or typical of a specific group on some dimension of interest.
B)
Sampling to set up the possibility of comparisons or replications across similar types of cases on a dimension of interest.
C)
Find examples that are representative or typical of a broader group on some dimension of interest.
D)
Sampling to set up the possibility of comparisons or replications across random cases on a dimension of interest.
C)
Find examples that are representative or typical of a broader group on some dimension of interest.
Various purposive sampling strategies have been used by qualitative researchers. What is an important purposive strategy for sampling for representativeness or comparative value?
A)
Maximum variation sampling
B)
Critical case sampling
C)
Criterion sampling
D)
Sampling politically important cases
A)
Maximum variation sampling
Although many qualitative sampling strategies unfold while in the field, purposive sampling in the sequential category involves deliberative emergent efforts. What is an example of this category of purposive sampling?
A)
Opportunistic sampling
B)
Reputational case sampling
C)
Critical case sampling
D)
Stratified purposeful sampling
A)
Opportunistic sampling
What type of sample involves selecting cases that are especially important or illustrative?
A)
Critical case sampling
B)
Maximum variation sampling
C)
Homogeneous sampling
D)
Typical case sampling
A)
Critical case sampling
What type of sample identifies and gains access to a case representing a phenomenon that was previously inaccessible to research scrutiny?
A)
Critical case sampling
B)
Criterion sampling
C)
Revelatory case sampling
D)
Sampling politically important cases
C)
Revelatory case sampling
What type of sample adds new cases based on changes in research circumstances or in response to new leads that develop in the field?
A)
Theory-based sampling
B)
Opportunistic sampling
C)
Sampling confirming and disconfirming cases
D)
Sampling politically important cases
B)
Opportunistic sampling
What type of sample selects cases based on a recommendation of an expert or key informant?
A)
Homogeneous sampling
B)
Typical case sampling
C)
Extreme case sampling
D)
Reputational case sampling
D)
Reputational case sampling
What type of sample selects cases that are intense but not extreme?
A)
Typical case sampling
B)
Extreme case sampling
C)
Intensity sampling
D)
Stratified purposeful sampling
C)
Intensity sampling
What type of sample occurs when only average, above average, or below average cases are selected?
A)
Typical case sampling
B)
Extreme case sampling
C)
Intensity sampling
D)
Stratified purposeful sampling
D)
Stratified purposeful sampling
What main qualitative tradition is theoretical sampling guided by?
A)
Ethnography
B)
Phenomenological studies
C)
Grounded theory studies
D)
Sociology
C)
Grounded theory studies
Which type of sample may require more cases to reach data saturation?
A)
Convenience sample
B)
Purposive sample
C)
Theoretical sample
D)
Extreme case sample
A)
Convenience sample
What is data saturation?
A)
Sampling to the point at which new information is continually obtained
B)
Sampling to the point at which new information is continually obtained with no redundancy
C)
Sampling to the point at which no new information is obtained with any redundancy
D)
Sampling to the point at which no new information is obtained and redundancy is achieved
D)
Sampling to the point at which no new information is obtained and redundancy is achieved
What type of researcher often uses key informants who serve as guides and interpreters of the culture?
A)
Ethnographers
B)
Phenomenologists
C)
Grounded theory researchers
D)
Sociologists
A)
Ethnographers
Generalizability in qualitative research is controversial. What widely used model of generalizability involves judgments about whether findings from an inquiry can be extrapolated to a different setting or group of people?
A)
Analytic generalization
B)
Transferability
C)
Thick description
D)
Proximal similarity
B)
Transferability
Quantitative nurse researchers typically develop a detailed data collection plan. At one point is this plan implemented?
A)
Before beginning data collection
B)
During data collection
C)
After data collection
D)
Before beginning and during data collection
A)
Before beginning data collection
A nurse researcher documents the number of times a mother made positive, encouraging comments to the toddler. This is an example of what?
A)
Structured self-report
B)
Unstructured self-report
C)
Structured observation
D)
Unstructured observation
C)
Structured observation
What is the first step in the development of a data collection plan in a quantitative study?
A)
Locating existing instruments for key constructs
B)
Identifying and prioritizing data needs
C)
Developing suitable forms for data collection
D)
Pretesting data collection instruments
B)
Identifying and prioritizing data needs